Chapters Celestia groaned as her vision slowly faded back into view. She blinked a few times, not knowing exactly where she was. The darkened space blurred around her as the fog cleared from her mind and she drowsily tried to sit up. It took the princess a few tries to right herself, and the effort did little to clear her muddled mind.
What had happened to her? Where was she? The last thing she remembered was that she was on her way to the annual Princess Summit in the Crystal Empire. Then… the train had stopped in the middle of the tundra for some reason and now she was… in a cave?
It was hard to make out the dark stone walls around her - Celestia’s eyes hadn’t yet adjusted to the dark. But she could definitely make out the tell tale rocky features of a cavern of some sort. There was very little light provided, the only sources being a few eerily glowing crystals embedded in the ceiling. They did little to lighten up the space, but provided enough for Celestia to spot the huddled form of someone else sprawled out across the cold floor to her left.
Fearing the worst, Celestia shakily stood and took a few steps towards the limp form, only to walk muzzle-first into an invisible wall. The static of ambient magic crackled out as she grunted in pain, and took a few steps back from the magical barrier that separated her from the woman across from her. Upon closer inspection, Celestia’s heart hitched as she realized that she would recognize that deep, midnight blue coat anywhere.
“L-luna?” she croaked out, her voice hoarse and dry from whatever amount of time she had been unconscious. “Luna?” she tried again, and breathed a sigh of relief as her sister stirred.
“Celly?” Luna’s voice was equally as hoarse, and the shorter alicorn groggily raised her head to look around. “S-sister?” she inquired as her senses began to return. “Where are we?”
Celestia slumped against the magic barrier. “I have no idea, Luna,” she answered. “Do you remember anything after the train?”
With a grunt, Luna lifted herself into a sitting position and rubbed the side of her head with a shaky hand. As her fingers dragged through her hair, she realized that both her and her sister’s regalia were missing. Thankfully, they seemed to retain both of their gowns. Not the best clothing to be wearing at the moment, she surmised as she adjusted the top of her clothes to fully cover both of her round breasts. “Uh, no. We barely even remember the train,” Luna replied distantly as her eyes adjusted to the dim light. “Is that an arcane barrier?”
Celestia simply nodded. “Yes. We seem to be separated-” she began, but was unexpectedly interrupted.
“Welcome!” a disembodied voice suddenly rasped out, seemingly from everywhere at once. The sudden noise caused both of them to start. Celestia jumped up to her full height and lit her horn, ready to defend both of them at the drop of a pin. “Good to see you’re both finally awake. I hope you’re finding your stay… comfortable .”
It took Celestia a few moments to place the familiarity of the voice, but her eyes narrowed and her muzzle turned down into a sneer as she recognized it. “Chrysalis,” she practically spat out.
A dry, cackling laugh echoed around the two alicorns in response, a sound that effectively chilled both of them to the bone. “Oh, very good, Princess ,” her serpentine voice drawled out between laughs. “You can recognize voices. How insightful of you. Unfortunately, that’s not the answer that will help either of you advance.”
Luna raised an eyebrow. “What advancing do you speak of, bug?” She, too, stood up and brushed herself off.
There was a groan this time in response. “Tsk, must we really degrade ourselves to using slurs, Loonie?” she asked with an air of fake annoyance. “I thought we were all beyond that? But… a thousand years on the moon does tend to leave one with some old fashioned values, I suppose.”
The smaller alicorn growled in response and seemed ready to spring forward but Celestia shot her sister a look. “Calm down, Luna,” she advised. “Keeping a cool head is going to be what gets us out of here.”
Another laugh. “Sure it is,” Chrysalis replied. “Now, you may be wondering why I’ve gathered you here today.”
“Enlighten us,” Celestia replied. She attempted to keep the malice in her voice to a minimum.
There was an amused hum that filled the air for a moment before Chrysalis continued. “Down to business as always, eh, Princess? I can appreciate that.” Celestia sneered at the patronizing tone, but didn’t interrupt. “This is a fairly simple game. I will present various tasks and challenges, and you will complete them. If you are successful in a challenge, you will get to advance on to the next one. If you fail to complete one…” There was a heavy pause for a moment before she continued, “you will face a punishment. Accept the punishment and you will once again be able to advance. Reject it and, well… you lose.”
The weight of the Queen’s words hung in the air as she let the two princesses absorb all of the information she had just presented them. “And so,” Chrysalis sighed as she wrapped up her explanation. “With the rules explained, are you ready for your first challenge?”
This time, Celestia struggled to hold back a growl. “We’re not going to play your games, Chrysalis,” she spat. “Stop this foolishness and let us go!”
The changeling’s voice paid no attention to the alicorn’s tirade, however, and simply continued on. “Your first task is to solve a riddle,” she said. “Listen carefully, as I will only speak it once.” Chrysalis cleared her throat dramatically before continuing. “I’m as light as a feather, but weigh the same as anypony else. What am I? ”
A silence hung in the hair following the question. Despite the fact that the answer came to her quickly, Celestia refused to answer. She was not going to show her captor and sort of satisfaction by playing her insufferable games. Instead, she clamped her mouth shut and raised her chin in direct defiance of her captor.
“I need an answer, please,” Chrysalis drawled, her voice sounding vaguely amused. “Your petulance will only lead to an… unfortunate punishment.”
“Sister, we should just answer,” Luna said. “Was it not you who urged us to keep a cool head? Perhaps we have something to gain through cooperation.”
The pale alicorn had no choice but to concede that her sister was right. “Pegasus,” Celestia said reluctantly as she crossed her arms, her own logic used against her. “The answer is a pegasus.”
“Mmmm, very good, Princess,” Chrysalis complimented smugly. The stone in front of Celestia suddenly glowed a bright, neon green before dissolving away to reveal another chamber ahead.
“It can’t be that simple,” Celestia muttered to herself with a roll of her eyes as she started moving forward into the next chamber.
“Oh, but it is. I wouldn’t try to trick you, now would I?” Chrysalis replied. Celestia could practically feel the smug smile dripping off of her hissing voice. “What kind of queen do you take me for?”
The simmering rage nearly blinded Celestia to the fact that her sister was not following her into the next room. “Luna?” she questioned, looking back towards the other alicorn.
Luna frowned in response as she put her hands on her hips. “Our own portal has not yet opened, sister,” she said.
Celestia looked and sure enough, there was no way for her sister to move on to the next chamber. “What is the meaning of this?” she asked quietly, fearful of the answer.
“Aha, well, you see… Luna didn’t really answer the question, now did she?” Celestia’s eyes narrowed as Chrysalis spoke. “So, therefore, she will receive the first punishment.”
“That wasn’t-” Celestia began but was cut off as Chrysalis’s magic suddenly flashed before Luna. She directed her attention back towards her sister, fearful of whatever “punishment” the changeling queen may impose on her. “Luna! Are you alright?”
Luna shifted as she checked herself over. “We do not appear to be harmed, sister,” she replied as she patted herself down. “However, we seem to have been… delivered something.” Celestia looked over to where her sister gestured, and sure enough, something had been left behind.
Before Luna were three large bowls, each filled with a mound of a brownish, lumpy substance. Each mass varied slightly in color and consistency, but they appeared to be variations of the same thing. As a matter of fact, they looked suspiciously like mounds of pony shit. Luna took a cautious step forward and sniffed the air. The foul scent of feces drifted across her muzzle as she got closer, and she reared her head back in disgust.
“Is that… is that what I think it is?” asked Celestia quietly, her mouth agape in shock and disgust.
Luna chose not to respond to her sister, and instead directed her anger at Chrysalis. “What is the meaning of this foul display?” she demanded as she pinched her nose between two fingers.
Again, Chrysalis’s cackling filled the room. “Why, this is your punishment, of course!” she responded with echoing glee. “But do not think of it as something so horrible. Instead, think of it as a second chance… a personal challenge to allow you to advance with your sister.”
Celestia balked at the words. “How dare you!” she cried out in defense of her dear sister.
“This is disgusting,” Luna said as the ripe scent of feces slowly filled her side of the cavern.
“As your surprisingly intelligent sister already enlightened us, the answer to the first riddle was ‘a pegasus ,’” Chrysalis went on, ignoring both alicorn’s protests. “Your task will be to tell me which of these three piles of shit were produced by a pegasus.”
The darker alicorn nearly gagged at the idea. “How are we possibly supposed to discern that?” she asked in disbelief. “The fecal material of various ponies are very nearly identical.”
“But not exactly identical!” Chrysalis interjected with glee. “And it is your challenge, your punishment, to figure out which one is which.”
“You are a vile creature,” Luna sneered as her eyes darted from each of the three piles with disdain.
“Maybe,” Chrysalis conceded. “I will admit to experiencing a sick pleasure from watching your repulsion so vividly across your face.”
Reluctantly, Luna took a step towards the three bowls of shit. The foul aroma assaulted her nostrils with every breath, but she refused to show any further disgust so as to not humor her captor. Instead, she suffered in silence and inhaled the putrid fumes as she stood over the mounds of filth. After taking barely a second to appraise each one, and not able to tell the slightest bit of difference, Luna vaguely gestured towards the center bowl with her free hand, the other still covering her nose.
“This one,” she called out. “This is the pegasus feces.”
There was a moment of silence before Chrysalis’s voice tutted in disappointment. “I had thought better of you, Princess Luna,” she said sarcastically. “So little effort put into your work. How could you possibly know which shit is which?”
Luna sputtered, completely astounded by the response. “How could we possibly tell the difference?!” she asked again.
A low chuckle echoed around the room. “Very well. Since you seem to be stumped even on this menial first challenge, I shall grant you a hint,” Chrysalis said. “Aside from consistency, there is one major difference between the crap of each species of pony…” she trailed off, building suspense to a non-existent drumroll for a few moments before continuing. “And that would be the taste .”
Luna’s face transitioned from shock to a surprisingly blank, incomprehensible look as she dropped her gaze down from the bodiless voice to the piles of dung in front of her. She stood there in silence for a moment before she could finally speak again.
“You can’t be serious,” she finally said softly.
“I am,” replied Chrysalis.
“We can’t-”
“You can.” Chrysalis cut the alicorn off.
“We won’t. ” Luna asserted.
“You will.”
“She will not!” exclaimed Celestia.
“You have three minutes to complete this challenge, otherwise you lose,” Chrysalis finally said, tired of the inane back-and-forth.
“What happens if we… lose?” Luna asked, a hint of nervousness finally permeating her voice.
Rather than answering the question, Chrysalis simply said, “Your time starts now.”
Luna quickly looked over at her sister, panic slowly building in her eyes. “You don’t need to do this,” Celestia assured her. “This is all some awful game. Don’t give in.”
“But, Tia,” Luna said. “What happens if we lose? ”
The question gave the elder sister pause. “I… I don’t know.”
“Nobody knows where we are. We don’t even know where we are!” Luna continued. “We are defenseless and we have no idea what Chrysalis has planned!”
Celestia had to admit that her sister was right. This was truly a horrible predicament they were in, with no clear way out. She frowned sadly as the younger alicorn turned away and approached the mounds reluctantly. There was nothing that Celestia could do but watch helplessly as her sister subjected herself to her punishment.
Luna got down onto her knees to bring herself closer to the first bowl of feces. She paused to determine which was the best way to actually follow through with the task. The thought of reaching down and digging into the piles of crap with her hands was unappealing, and with no way to actually wash them, she decided against it. So the only other option was to bring herself face-first with each fecal mound. With no other choice, she leaned forward to rest on her hands like a dog, and lowered her face down towards the first bowl.
The stench filled her nostrils and her nose scrunched up in distaste, but she forced herself to move closer until her mouth was just a mere few inches away from the smelly scat. There, she froze, only able to breathe in the foul air yet unable to part her lips or advance any further. This collection of crap was made up of dark brown clumps, their soft forms pushed into one another to form a neat pile. They were mostly round in shape with clear cracks and wrinkles from passing through someone's colon and combining together into solid clumps.
“Two minutes.”
The loud warning startled the anthro alicorn and she unconsciously jolted forward. Her lips pressed against the greasy surface of the scat and her stomach turned as the radiant heat of the pile warmed the outside of her mouth. With the first step done, and the weight of the impending time limit egging her on, Luna reluctantly parted her lips and opened her mouth to let her tongue stretch out and touch the filth in front of her.
There was no immediate explosion of flavor as the tip of her tongue pressed into the soft mound of crap, and the lack of taste encouraged Luna to press in deeper. She dragged her tongue up the side of the fecal ball, but immediately regretted her decision. A gritty layer of shit coated her tongue and an intense, bitter flavor seeped into her mouth. She gagged and pulled back as she desperately tried to discern any usable information from the horrid taste in her mouth. But there was still not enough information for her to even remotely figure out what was happening.
With the realization that the clock was ticking, and not knowing what else to do, Luna fully resigned herself to this fate and leaned back with. There was little hesitation this time as she opened her mouth and took a sizable bite out of the pile of crap . Her teeth cut through the soft shit easily and cleaved off a chunk that her tongue pulled back into her mouth. Luna held back a retch as she let the waste roll around her maw, and she tried to pull out any notable flavors.
Bitterness was the overwhelming flavor, but there was an additional earthy sour undertone to it as well. The consistency was soft, but gritty - akin to what Luna would assume chewing on drying mud would feel like. As her saliva wet it though, the shit was quickly mushing together into a thick paste. Having identified everything she felt she possibly could from having it in her mouth, Luna spit it back out onto the ground in front of the bowl. There was no way she was going to be able to force herself to swallow that .
From across the barrier, Celestia grimaced as she watched her sister spit out the mouthful of shit onto the floor and crawl on over to the next bowl. Her own stomach turned as she stood there, and she reached down to clutch at it in sympathy. She was helpless to do anything as Luna leaned down and sniffed at the second pile before leaning in closer.
Luna could immediately tell that this bowl was vastly different from the previous one. Upon closer inspection, this crap was a paler brown in comparison, with a smoother consistency. The immediate scent was much more fragrant as well, but Luna barely paid it any mind as she took a bite. She wanted this to be over and done with as quickly as possible.
Her eagerness to complete the punishment was ill-advised however, as the horrid, foul flavor of the second batch coated her mouth. Her teeth cut through the soft shit like yogurt, betraying the outwardly solid form to be creamy and loose in actuality. The disgusting bitterness was accompanied by a horrendously sour and slightly spicy tanginess that nearly made the poor alicorn retch as the semi-solid waste smeared across her tongue and coated her teeth. Luna spat it back out almost immediately, but its softness refused to fully leave her maw, instead sticking to the roof of her mouth and clinging to her gums.
The alicorn could not hold back an awful gag as she tried to evict the foul substance from her palette. She dragged her tongue against her front teeth to try and scrape as much of the disgusting sludge off of her taste buds as she could and spit it back out onto the floor in front of her.
“One minute.”
The reiterated time limit echoed in her ears as Luna begrudgingly shifted over to the next and final pile. She was more reluctant to just dive into this pile like she had the last, and so she took just a second to actually look at it first. This bowl was filled with more solid-looking waste, shaped into distinct logs that coiled and draped over each other. They were a solid brown in color, and smelt similar to the first pile Luna had tried. She could only hope that the taste would be less offensive than the last as she leaned in and hesitantly took the end of one of the logs into her mouth.
Luna took a moment to run her tongue around the knobby end of the piece of shit before biting it. The taste was certainly more palatable than the creamy filth she had just sampled, but still retained that overwhelmingly bitter taste that was present in both other piles. Unlike the first one, however, the earthiness was replaced with a strange, salty flavor that she couldn’t quite identify. Luna hesitated to say that it tasted okay, but she could not refute the fact that it certainly tasted better than the other two.
Her hesitation gone, she bit down, cleaving her teeth through the solid waste to fully take it into her mouth. She chewed through the sample slowly, smashing the feces up into a paste similar to the first to try and reveal any other identifying flavors, but it only resulted in the bitterness increasing to completely overwhelm anything else.
Almost completely lost in how tame the flavor seemed in relation to everything else she had just tried, Luna unconsciously swallowed. She only realized what she was doing as the bitterness hit the back of her throat and her stomach seized in response and she leaned forward to spit out what was left in her mouth. Her eyes widened, horrified at the small amount that managed to make it down her throat with little-to-no resistance. Luna leaned back to rest on her knees and prepared herself to throw it back up, spreading her arms out to brace herself as she leaned down and breathed heavily, but slowly righted herself back up as no urge to vomit came.
Panting, she looked over to her sister as she unconsciously smacked her lips to try and rid the mouth of the foul flavors that remained. “D-done,” she whispered hoarsely as she clutched at her own stomach.
“Thirty seconds.”
Luna suddenly realized that she still had to actually decide which pile of shit belonged to a pegasus. Everything she had just experienced raced through her mind as she attempted to match flavor profiles and consistency with any knowledge she had of the various dietary differences of the three pony species.
The first mound could possibly belong to a normal pony, but that may also just be due to the shape and earthy taste that the feces left behind in Luna’s mouth. The firm shape and consistency could also support this theory, as the regular consumption of daisy and grass sandwiches and other earthy vegetables could probably result in this end result.
She hoped that the second pile was not a regular bowel movement, because judging by consistency alone it would not be a pleasant experience to push out of one’s ass. But upon deeper thought, the softness could be attributed to a diet of richer cuisine, lending itself to a denizen of Canterlot - a unicorn.
Which left the third pile to be a pegasus. There weren’t too many differences between the first sample and the last, aside from the slightly less offensive taste. The consistency was the same, which would support Luna’s theory about diets' effect on fecal composition, as earth ponies and pegasi had similar, if not identical, eating habits.
“Your time is up, Princess,” Chrysalis stated. “Have you made a decision?”
Luna took a deep breath, and pointed to the last pile with a nervous finger. “This one. The third bowl was produced by a pegasus,” she answered.
There was a pregnant silence that stretched on following Luna’s choice. The tension built in the room, and both princesses could feel their anxiety rising as they waited for Chrysalis to speak.
“Indeed it was,” Chrysalis finally mused. “Very good, Princess Luna.” Like the other side of the cavern had done, the rock face before Luna glowed bright green before crumbling away to reveal a doorway.
“You know, I was actually quite impressed,” Chrysalis went on as Luna shakily stood back up onto her hooves and wiped her hands off on her dress. “You really got into it towards the end. It looked like you were actually even enjoying eating a bunch of random ponies’ shit for a minute there! Don’t tell me you have a secret scat fetish, Princess. That will ruin the whole point of my punishments!”
Luna chose not to dignify the Queen’s goading with a response and simply frowned angrily as she stepped forward through the rocky doorway into the next chamber. The bowls of pony crap vanished with the telltale pop of magic behind her, and the rock face reassembled itself so that neither her nor Celestia could backtrack away from whatever challenge awaited them next.
The first thing that Celestia noticed about the second chamber was that there was no more magical barrier. Immediately, she rushed over to Luna and opened her arms to wrap her sister in a tight hug. Her large, white wings also rose to engulf the two of them as Luna’s arms weakly came up to embrace her in return. The scent of scat clung heavily to the younger alicorn, and Celestia’s nose wrinkled in distaste. But she held her sister firm in reassurance.
“Are you okay?” she asked quietly.
Luna nodded against her. “We will be fine,” she replied as she pulled away. “Let us focus on whatever hell this bug shall spring upon us next.”
Celestia nodded in response, her eyes lingering on Luna’s brown-tinted lips as the younger alicorn stepped away. She could only imagine what her sister had just gone through… the taste alone must have been… Celestia shuddered to even think about it. But there was no point in dwelling on it now, they had a second challenge to conquer.
At the far end of the room stood two stone tables. Cautiously, Celestia approached the one closer to her and gazed upon the objects presented. There were three ornate keys, each with a number carved into its handle. “Zero, one, and five,” Celestia muttered quietly as she lifted one up to read the inscriptions on her set of keys more closely.
“We have two hundred one, two hundred thirty-seven, and three hundred four,” Luna replied from her own table. She glanced over to meet her sister’s gaze. “What could they possibly mean?”
Celestia simply sighed in response. “I’m sure we will find out soon enough.”
“The second challenge is as follows,” Chrysalis began, right on cue. “Before you there are three keys, each with their own unique number. The correct key is the one inscribed with the number of suitors the other has taken in the past.” Both alicorn’s eyes widened at the challenge. Celestia’s cheeks flushed slightly red, knowing how high her own number was. “You may not help each other in any way. If you do, you will lose this challenge and face punishment. You have three minutes to make your choice, starting now.”
“Huh,” mused Luna. “How juvenile.”
Celestia eyed her sister, who was currently staring intently at her own set of keys. “Indeed,” she replied. She had not known Luna to ever take a partner prior to her banishment - a testament to how lonely the alicorn actually had been. And, to be honest, there had not been much time since she had returned, and she had not ever seen Luna with anypony during these short few years. It had to be no one, right?
Herself on the other hand… well that was a different story. A blush blossomed across her face as she tried to determine what her own number was.
Luna glanced between her sister and the numbers on top of her own set of keys, taking note of the rosy tint that graced her pale cheeks. A thousand years was certainly a long stretch of time, but two hundred suitors in that time? Maybe even three hundred? That was quite a lot of… action .
But looking back, even before her banishment, she could recall her sister being quite promiscuous with the nobility of the time. Such was one cause for her extreme jealousy after all. These days, Tia certainly appeared to be more reserved, but Luna had still managed to catch a few mischievous glances that her sister shared with many of those around them. If this behavior had persisted during the last millenia, she supposed it was better to guess high rather than low.
“Have you chosen?” Luna asked her sister as she settled on her own answer.
Celestia nodded.
“Excellent!” exclaimed Chrysalis. “And with a whole minute to spare! How exciting! Luna, what is your answer?”
The darker alicorn took a deep breath, bracing herself before she responded with, “Three hundred four.” She quickly stole a glance over at her sister, to see the rosy blush on her cheeks turn an even darker shade of crimson at her answer.
“Mhmmmm,” hummed Chrysalis’s voice. “Yes, that would indeed be correct! Your sister is quite the royal slut, isn’t she?” Her laughter rang out following her vile remarks, and Luna growled. Celestia, on the other hand, simply blushed even darker and looked down. “Now for your answer, Celly.”
“None,” Celestia answered timidly. “Zero.” She barely needed to glance to the left to see the look of hurt on her sister’s face to know that she was wrong.
“Ooooooh, I’m sorry,” the changeling queen hissed out. “That’s not quite right. The answer we were looking for was ‘one.’ I know you’re a bit looser than most, Princess, but it’s a bit harsh to think so little of your sister’s attractiveness.” Her tone was crudely chastising, and Celestia’s eyes narrowed.
“You are cruel,” she replied. “You know my choice had nothing to do with how beautiful Luna is.”
Chrysalis’s cackling laughter rang out in the room. “We get it, you have the hots for your sister. That doesn’t change the fact that you were wrong, wrong, wrong .” Celestia huffed in response, but refused to otherwise dignify the crass comment with a response. As her laughter died down, the changeling continued. “Now, since your sister was so rude with her assumption, I believe it is only fair if you get to choose her punishment, Princess Luna,” Chrysalis announced as if it were a prize she had won.
Luna could practically feel the glee dripping off of the changeling’s voice. “We shall choose no punishment then,” she quickly stated. There was little chance that it would work, but she would try anyway.
Chrysalis’s laughter predictably echoed out into the room. “Haha! Perhaps I should be more clear. You have the opportunity to select which punishment your sister will get,” she explained. “Are you ready to hear them?” Luna scowled in response, but Chrysalis took that as the go-ahead to list them. “First, you may have your sister finish what you started in the previous punishment and dispose of the remaining shit. Second, you may subject her to an altered version of your punishment and feed her your own helping of steaming shit. Or third, you can add a number to your sister’s already prodigious body count. You have one minute to decide.”
Her eyes drifted over to Celestia to see a stoic look on her sister’s face. The elder princess had strategically kept her reactions to the proposed punishments in check with her best, political poker face. Their eyes met briefly, as Luna pondered which punishment would be the least offensive for her sister to bear.
Having just experienced the first two, she had no desire to impose such a disgusting task upon Celestia. Her stomach clenched at the thought of having to do it again, herself, and she definitely would not be serving her sister her own feces. But the third option was no less vile to think about. Forcing Celestia to copulate with someone randomly, a changeling even , was a grotesque thought.
And yet, a small part of Luna’s mind reasoned what could just one more notch possibly count on her sister’s bedpost. Her looseness was, as Chrysalis had put it, prodigious. While she would not by any means refer to her sister as a “slut,” Celestia was indeed quite a sexually experienced woman. By over three hundred fold, apparently. Having another one should mean nothing in the long run.
“The last one,” Luna finally decided. “We choose to add a number to our sister’s count.” Surprisingly, Celestia’s eyes hardened at the choice and she crossed her arms. She did not say anything in protest, but Luna suddenly felt anxious that she had made the wrong decision. Not that there was any good solution to their current problem, but the alicorn was confident that she had picked the path of least harm to her sister.
“Very well,” Chrysalis replied, and Luna was suddenly pushed backwards forcefully as the magical barrier reappeared between the two princesses. The coldness in Celestia’s eyes was quickly replaced by concern.
“Luna!” she called out as the younger princess fell backwards and caught herself with a hand.
“We are fine, ‘Tia,” Luna replied as she got back to her hooves. She had no other time to respond further as the pop of magical teleportation suddenly sounded throughout the cavern and a changeling drone suddenly appeared in front of Celestia.
The white alicorn was forced to her knees by an invisible force as the limber changeling approached. Already, his cock was hanging low and proud between his legs, and Celestia’s eyes widened at the state of it.
His dick was filthy. The long, black length was coated in a film of what looked like weeks worth of spent semen and sweat, and there were visible chunks of smegma hiding in the ridges of the leathery flesh. Celestia’s nose cringed as the potent smell of unwashed cock drifted over to her,
“Where do you want it?” a gruff, hissing voice asked.
Celestia gulped. “Anywhere but my mouth… please,” she begged. Anything to get the disgusting rod away from her face.
Without any defiance, the changeling obliged and silently made its way around to her rear. A strong pair of hands gripped the alicorn’s ass and she let out a yelp as she was harshly pulled backward. Her white gown was carelessly torn and flipped over her back to reveal a not-so-modest lace thong strung taught between her full cheeks. It was quickly removed however, the thin band viciously snapped as it was yanked away before being tossed to the side as the weight of his nasty, greasy penis flopped down over her butt. She quickly reached back to pull her tail out of the way so as to not get its filth in her prismatic hairs.
Those strong hands came down to pry Celestia’s cheeks apart to expose her pristine, white ponut, the round doughnut of flesh popping out from between the lumps of soft flesh enticingly. He let go of one cheek to reach down and take hold of his girth and aim it right at the center of the waiting pucker, and Celestia grunted as the wide, flat head pushed against her wrinkled rear entrance. His hand returned to the side of her ass, and she noted with distaste that it took some of the greasy dick-slime with it to smear across her white bottom. But she didn’t have long to worry about it as he speared into her with a grunt.
Strangely enough, the vile mixture on his cock made the entrance easier, and along with the looseness of her anus, the drone was able to find a quick rhythm as he began to pound the alicorn’s ass. Celestia had to let go of her tail to brace herself in the front with both hands as the thrusting increased, her entire body rocking forward with each slam of the changeling's hips against her rotund bottom.
Against her own will, Celestia found herself beginning to grow aroused by the anal attention. Her pussy moistened as her asshole was stretched, and she began to unconsciously push back against the changeling’s hips with each and every thrust. They both began panting as they lost themselves to the quick and dirty sexual pleasure, and Celestia soon forgot that she was even being watched.
Luna tried to tear her eyes away from the crass display in front of her, but found that she couldn’t. Her sister was very clearly enjoying the sodomy, whether she was first opposed to it or not. Perhaps Chrysalis was right about the older alicorn’s sexual proclivity.
Celestia could not hold back a quiet moan as the changeling slammed into her ass over and over again, and she arched her back up slightly to better feel the sensations within her. Her dress became loose around her with the violent rocking of her body, and she couldn’t help but reach up to squeeze at one of her breasts through the thin fabric. The rigid outline of her nipple pressed into her palm, betraying even more blatantly just how aroused she had become from the anal assault. She bit her lip as she threw her head back and continued to grind back into the changeling as she could feel her orgasm slowly building within her.
Then, without any warning, he hilted himself in her ass and began to pump her rectum full of his hot, thick seed. His tip flared inside of her, and she could feel her pussy clenching on nothing as cum rushed into her rear. The sensation didn’t quite bring her to orgasm, but instead left her desperate for her own release. But before she could even reach her hand down between her legs, she found herself letting out another, louder moan as he forcefully pulled himself free from the tight confines of her ass.
The alicorn’s anus clenched down on the sudden emptiness, and a off-white fluid drooled out of the gaped hole with nothing to block it. There were brown tinges mixed in with the cum, and as Celestia looked at the cock that was suddenly dangling in front of her face, she noticed with embarrassment that it was now smeared with her own shit as well as the filth from before. He reached down to grip the filthy member with his hand and point it at her, bringing it even closer to her disgusted face.
The smell nearly made her gag, and she leaned as far away from the disgusting dick as she could. “Clean it,” the changeling’s hiss spoke again. “With your warm, royal mouth.”
Celestia shook her head. There was no way that she was putting that thing anywhere near her mouth. Suddenly, Chrysalis’s voice returned. “If you don’t do it, Luna will have to,” she taunted in a sing-song voice.
Reluctantly, Celestia looked back at the dick in front of her as the drone shook it crassly. A war waged in her mind as she willed herself to try and open her mouth, but she just couldn’t do it. The smell of it alone was stirring her stomach in the worst way imaginable, and she couldn’t even bring herself to let herself taste it.
“I… I can’t,” she whispered hoarsely. She looked over to Luna with remorse on her face and repeated, “I’m sorry I just can’t do it.”
A look of utter betrayal dawned on her sister’s face and it pained Celestia’s heart. But before she could even as much as reconsider her choice, the changeling let go of his dick and pressed his dirty hand into her shoulder to roughly push her aside as the magical barrier fell and he silently approached Luna.
“No! Wait!” the younger alicorn called out as she was pushed down onto the floor before the changeling. The smell of its dirty dick graced her nose just then and she was once again subjected to the foul scent of shit. This time, it was fresh, however, and carried a sharper scent. It was also mixed with the sexual slime of semen and smegma, two things that Luna had no desire to put anywhere near her face.
But she had no choice.
Her jaw was magically pried open and the filthy cock was unceremoniously shoved into Luna’s mouth. The disgusting, vile tastes of her sister’s shit and the sour taste of horse smegma scraped against her tongue as the phallus was lodged nearly all the way back towards her throat. In some way, Luna was glad that she had been forced to consume the scat in the previous challenge, as it served as some sort of sick warm-up to the torture she was now forced to endure. It was perhaps the only thing that kept her from vomiting as the drone forcefully cleaned his cock with her mouth.
He thrust into her a few short times, making sure to stick his dick into each of her cheeks and scrap as much of the foul gunk off of his leathery length as he could. When he pulled it out again after a few moments, it still looked filthy, but was lacking the larger globs of shit and cheese that were previously there, and was instead coated with an additional sheen of Luna’s saliva as well.
With her mouth empty, Luna took the opportunity to spit out the gross chunks of filth that had been left behind onto the floor. She desperately scraped her tongue against her teeth to get as much as she could out, nearly gagging as the effort spread the bitterly sour taste even further towards the back of her throat. With a heaving retch, she managed to get the last of it out, but the persistent taste lingered no matter how much she spat out onto the floor.
As Luna tried to evict the foul flavors from her mouth, the changeling crossed back over to the other side of the cavern to where Celestia was still on the ground. She looked up at him wearily as he approached and knelt down behind her. He lifted her ass back up towards him with little resistance, and she let out a soft moan as he pried her sore asshole open with his fingers.
More nasty cum drooled out of her wrecked hole, dribbling down over her slickened pussy. The changeling reached down to grab his dick and drag it through the mess, re-coating it in another layer of filth.
“Push,” he commanded roughly, and when Celestia hesitated to comply for the sake of her sister, he reached under her to push on her abdomen. The action sullied the white fabric of the dress on her stomach and forced her bowels to contract and push out the remainder of changeling spunk onto his waiting rod. A grotesque chunk of fecal sludge also squeezed its way out of her anus, and the drone wasted no time in catching the lump of soft shit in his palm to generously smear all over his turgid member. He jerked himself off slowly, making sure that her shit was fully spread all over his dark length before he stood back up and walked over to the other woman.
Luna’s face went green as the freshly coated cock was pointed back at her face. The potent stink of Celestia’s shit burned her nostrils with every breath. While the phallus had anal residue previously, it was not to this extreme. Practically the entire length of the changeling’s dick was coated with a thick, smeared layer of crap.
She figured she didn’t really have a choice in the matter, but that didn’t mean she was going to do it willingly. “You can’t possibly be serious,” she muttered as the changeling shook the rod impatiently. He ignored her protest and instead mimed thrusting forward, the wide head of his turgid cock smearing a distasteful paste of shit and pre onto her sealed lips. She groaned in disgust, appalled at having to not only clean the offending member, but having to do it twice . It was degrading, and as he pushed against her mouth again, smudging even more of the vile filth onto her face, she realized that she didn’t really have a choice in the matter.
With dismay, the alicorn resigned to just letting it happen. Looking up at him with a face of pure disdain, she hung her mouth open and lolled out her tongue to let him in. He wasted no time in angling his penis towards her open maw and guiding it inside.
The taste that befouled her tongue was just as bitter as ever, and Luna gagged as she dutifully tried to slurp all of it off of the pulsating flesh. He let out a sigh as he pushed deeper into her mouth, encouraging the princess to take in even more of it, gradually going deeper and deeper until it began to slip into her throat. Luna gagged - not from the taste, but from the sheer volume of dick in her mouth. She was confident that she couldn’t possibly fit any more of it in there. Brown drool dribbled out of the corners of her mouth and down her chin as the thick cockmeat took up all of the room in her mouth. Then, at an agonizingly slow pace, the changeling began to pull it back out.
Luna kept her lips locked around the phallus as it slid out of her mouth, making sure to scrape all of the scat off of it as it withdrew. Her lips smeared brown with the creamy paste as it was trapped in her mouth. The flared head of his horsecock popped out of her mouth with a wet pop, and she grimaced as he dragged it along the side of her face to try and get the residual shitty slime off.
Satisfied that his cock was clean enough, he took a step back as he began to vigorously stroke his still-throbbing prick rapidly. Knowing what was about to come, Luna squeezed her eyes shut and turned away just a thick rope of cum shot out of his flare right at her.
The kneeling woman let out a wince as the warm, viscous fluid draped against her face and tangled in her hair. Stream after stream of the musky fluid ejected from the twitching cock as he grunted in time with the pulsing of his second orgasm. But there was nothing she could do but sit there and take it silently. Any rebuttal on her part would no doubt be punished, and she feared what Chrysalis may come up with next.
She didn’t even notice the changeling leave and her sister came to her side. The other alicorn simply stood there silently as Luna spat out as much of her shit as she could from her mouth, the brown muck oozing from her mouth in a thick paste. She wiped at her face with a few dainty fingers, wringing excess cum from her brow so as to not get it in her eye.
“Luna,” Celestia said quietly as she watched her sister try to clean herself up to no avail. “Are you alright?”
“We will be fine,” Luna whispered with disdain as she glared up at her sister, streaks of semen dripping down the side of her face. “No thanks to you.”
Celestia frowned. “I- I’m sorry. I just couldn’t do it. I… I tried but it was too much.”
The younger alicorn’s glare intensified as she rose to her hooves. “So we were left with the burden in your stead,” she said accusingly, pointing a finger at the other alicorn.
Her sister’s attitude began to get on Celestia’s nerves. “Well, I mean you did just have that brute pleasure himself with my body! There was only so much I could take!”
Luna laughed sarcastically. “Oh, please, sister,” she said with a sneer. “You were practically drooling with bliss as he took you. It’s not like we couldn’t see your tongue dangling from your lips, or hear your lascivious moans as he claimed you!” She waved a hand at the collar of her sister’s dress, which had been stretched down to reveal most of her left breast. “You ruined your own blouse to provide easier access for you to grope your own bosom, for star’s sake!”
Celestia huffed as she took a step back and crossed her arms over her partially-exposed bust. “That’s cruel of you, Luna,” she said coldly. “I would have thought you would be more sympathetic.”
“Tsk tsk … now, now, girls,” Chrysalis’s voice called out before Luna could reply. “Cut the bickering. There is yet another challenge waiting for you ahead! Let’s not get too… distracted .” Then, she chucked before adding, “By the way, Princess Luna… brown is a lovely shade of lipstick for you.” Luna’s brown-tinted lips formed an even angrier frown as she bashfully reached up to try and clean off the leftover waste with her fingers as she glared up at her sister..
The silent standoff between the two sisters continued for another, agonizing moment before Celestia turned away and began to walk towards the next room. Luna only felt a tinge of remorse as she watched her sister limp slightly with her tail to the side, no doubt sore from the anal pounding that had just been forced upon her. Maybe Celestia was right, maybe Luna should be a bit more sympathetic.
“Tia, I-” she began to apologize, but she was cut off by a cold glare from her sister.
“I don’t want to hear it, Luna,” Celestia said tersely. “Let’s just move on.”
With nothing left to be said, Luna followed behind her sister and the two alicorns stepped into the next chamber. The rock face reassembled itself behind them, trapping them in whatever vile challenge that the changeling queen had planned for them next.
As soon as the two women entered the next chamber, they immediately noticed the overwhelming stench. Luna was forced to bring up a hand to cover her nose as her sister coughed uncomfortably beside her. The entire room was filled with a heavy, fetid musk that seemed to come from everywhere, but it wasn’t until the two of them proceeded further into the room that they were able to identify its source.
Two large pits were positioned on either side of the cavern, each filled with its own, overwhelming portion of brown muck. Luna could only guess what it was, but she was pretty sure she’d be right.
“Mmmmm, breathe it in, girls,” Chrysalis’s husky voice taunted from nowhere and everywhere at once. “Doesn’t that just smell wonderful?”
“You are a disgusting creature,” Celestia spat venomously. “What in Equestria could possibly be the purpose of this place.”
A chuckle echoed around them. “Oh, you mean the cesspits?” she inquired with thinly-veiled malice. “Well, all of my changeling’s need to shit somewhere, Princess. It wouldn’t be very sterile to just have them squeezing out their thick, stinky logs all over the hive, now would it?”
The admission confirmed Luna’s suspicions - the pits were filled with manure. “Of course it is,” she grumbled under her breath. What was with the changeling queen and her outright obsession with scat.
“More shit?” Celestia questioned, similar thoughts seemingly running through her mind. “Are you kidding me? Why?”
“Mmmm,” Chrysalis hummed for a moment, as if pretending to consider the question. There was no hope of a serious answer, however, as she continued. “Well I just suppose the thought of the two of you defiling yourselves gets me off. To you, Celestia, with that pristine white coat absolutely smothered with vile filth… unf ! Talk about getting my rocks off!”
Luna’s eyes widened at such a blatant and lewd admission, and a blush tinted her cheeks as more of Chrysalis’s playful, exaggerated moans echoed around the room. Celestia, however, was livid at the remarks. “That will not happen,” she countered pointedly, and the queen’s moans devolved into a fit of cackling laughter.
“Oh my!” she managed to choke out. “So bold! So sure of herself! So oblivious to her current situation!” The laughter abruptly cut out, leaving a chilling moment of silence to linger in the dank, stinky air of the cavern before Chrysalis’s taunting voice returned. “There are steps on either side of the room. Climb up them and wait at the top.”
The two alicorns reluctantly went in opposite directions towards their separate stairs. They were steep, carved directly into the rock face of the wall. Luna almost lost her footing multiple times as she climbed to the top. She didn’t realize that she had been holding her breath until she reached her platform and took a deep, shuddering breath.
Celestia didn’t seem to have any trouble with her climb, reaching the top of her side with ease. She stared at Luna across the chasm between them, her emotions unreadable as Luna took her place standing directly opposite her.
The platform was a small, rocky precipice jutting out from the cavern wall, hovering ominously over the two pits of sewage. Beside it was a small, wooden circle with a target crudely painted on it. Looking across, Luna could see that Celestia’s platform had a similar target as well.
“This task is quite simple. All that you need to do is take those three stones beside you, and throw them at the target opposite you. If you hit it, the trap door beneath the other’s hooves will open, and they will fall into the warm pit of changeling shit below.” Chrysalis’s voice rose with glee as she reached the end of her explanation, unable to fully hide just how excited she was to see who it was that would fail this task. “Good luck!”
There was silence for a moment as both sisters simply stared at each other from their opposing perches. Luna glanced nervously down at her own collection of smooth, roughly spherical stones before her.
A sudden thunk next to her startled the woman out of her trance, and she looked up to see that her sister had already cast the first stone against her. It had missed, thankfully, but already Celestia was rearing back her arm to throw the next one.
“Sister!” Luna exclaimed in shock.
“What?” replied Celestia as she threw the second stone. Luna flinched as it collided with the rock face just short of the intended target. “You heard the challenge, same as I did. Might as well get to it.”
Luna gaped at her sister. “You can’t be serious,” she said indignantly. “But we… you are… you’re our sister!”
Celestia’s face darkened as Luna protested, but she hesitated in throwing the next stone. “Indeed, Luna,” she conceded quietly. “But I did not see that stop you in the last challenge.”
There was a heavy weight behind Celestia’s words, one that fed the growing regret in Luna’s heart. “We did not intend to harm you,” the younger alicorn said. “We tried to choose the best option.”
“There were no good options,” Celestia hissed. “The best option would have been not to play.”
Luna balked. “But you were the one who told us to just play along!” she retorted. “We were doing just that! Or was that only when we were on the receiving end and not you, sister?” Then because she was feeling petty, she added, “Besides, with the amount of analingus you probably perform, I bet that you would enjoy that cesspit!”
Celestia narrowed her eyes. “I don’t eat ass,” she said coldly and threw the last stone. It fell short, and fell into the pit of muck below with a disgusting splat. She let out a grunt of frustration as she realized she was out of stones.
Now riled up, Luna reached for her own set of stones. She lifted one up, gauging its weight in her palm as she eyes the target across the chamber. The younger alicorn had done this plenty of times at carnivals in her youth. She remembered her sister and her wandering around the fair aisles with bombastic, upbeat music blaring all around them as they enjoyed their time together. Now her sister stood across her with her arms crossed and a downright villainous glare pointed her way.
Luna hardened her gaze in response and took her stance to throw her first stone. She aimed carefully, pulling her skills from her memory, and raised her hand. Then, making sure she was aligned properly, she swung forward and let the stone fly.
Celestia’s eyes widened as she saw just how accurate Luna was. The first stone grazed the top of the target and ricocheted off into the cavern below. The second one hit just below it, causing a hollow, metal clang to ring out, but the target was otherwise unmoved. Just a little bit lower, however, and Celestia would be sent down into the stinky pit of changeling manure below.
Her eyes darted back over to her sister, wide and pleading for her next toss to miss. Luna met her gaze, cold and steely, as she raised her arm and cocked it back, ready to launch her last stone at the target.
“Do you remember those old carnival games, sister?” Luna asked suddenly. The even tone of her voice did nothing to calm the growing anxiety within Celestia. “The ones where we had to hit the target to win the prize?”
Celestia nodded in reply. “Yes,” she said quietly.
“We were always very good at those.”
That was the only warning that the alicorn got before her sister swung her arm and sent the last stone flying towards the target.
The stone impacted the center of the target dead-on. The metallic ring echoed out in the cavern as a sense of acute dread filled Celestia. She braced herself for the inevitable - squeezing her eyes shut and waiting for the floor beneath her to give out. Yet nothing happened.
She popped one eye open after a moment. She was still on the platform, and nothing had happened. A weak laugh escaped her lips - a sound of relieved mirth. But it was a mirth that was quickly killed by a raspy voice.
“Oh dear,” Chrysalis tutted out. “That is most unfortunate. It seems my little contraption malfunctioned.” Celestia let out a sigh of relief. Perhaps she could avoid this horrible punishment after all- “I’ll just have to manually fix that, hm?”
Celestia panicked as she felt the tell-tale tingle of another pony’s magic grab hold of her. She flailed her arms wildly as she popped out of existence for a moment before reappearing right below her rocky platform. The brown muck of the pit suddenly rushed up to meet her as gravity took hold, and the princess let out a scream of fear as she fell towards it.
Somehow, despite sitting in the damp cave for however long it had, the pit of sewage was still warm. This provided absolutely no comfort to Celestia as she hit the mess with a disgustingly slick squelch. Her body sunk right in up to her breasts, coating most of her body in the changeling shit.
The alicorn simply sat there for a moment, motionless, as her body struggled to process the situation she was now in. It was absolutely disgusting, and though she had been revolted at the idea to start out with, it seemed as though Celestia just simply could not fathom how she had gotten to where she was now. The process was simple, a single line connected through the compounding series of events that led her to this moment, and yet, it was seemingly equally impossible that she was currently chest-deep in a pile of sewage.
Celestia fought back against the growing nausea in her chest. As foul as this experience was, she would not give Chrysalis, nor her sister, any sort of satisfaction in their victory. She raised her arms as high as she could above her head, and slowly tried to make her way towards the edge of the pit. The sludge was thick, and made it incredibly hard for her to move. Each shift of her body smeared more of the filth against her skin, absolutely covering her lower half in the fetid crap. It squished underneath her hooves as she trudged through it, and she grunted from the exertion of forcing her body through it.
From above, Luna had watched as Celestia had fallen. The sickening noise that she had made as her body slipped into the cesspit below churned her stomach, and she looked down to see the older woman half-buried in the mound of scat, not unlike a stick in a pit of mud. She watched as her sister fought back an obvious wave of disgust - calming herself down before she began to slowly inch her way forward in an attempt to get out of the vile filth she was in.
It took what felt like ages to reach the edge of the pit, with Celestia’s body getting only dirtier as it went. She could feel the vile mixture of semi-solid slop mixed in with the occasional, firmer log as the mixture pressed and smeared against her body. Disgust turned her stomach as each press of her hoof down into the mess smushed even more changeling feces against her skin, and she could somehow feel certain patches of shit that were warmer than the rest.
Then, her eyes widened in a combination of shock and horror as a small portal opened up just a few feet above the surface of the pit. There was a faint sputtering sound, followed by a thick log of rich, brown shit slowly descending out of it. It coiled down sloppily onto the rest of the cooling scat below, its lighter color standing out against the darker surface of the cesspit. It tapered off with a second fart, only to let a smaller rope of shit slither out right behind it.
As the second coil of fresh feces draped over the first, the portal abruptly closed, leaving no trace that it was ever there besides the additional manure that had been added to the already overwhelming volume of waste in the pit. Celestia swallowed thickly. Somehow, the idea that this was an active sewer for the changeling hive made her predicament somewhat better. Not that she was relieved by any means, but there was something less disgusting about this than the idea that she had been wading through month-old shit.
The smell of the new serving hit Celestia’s nose after a few moments, and she swallowed thickly as she continued to try and make her way out. She paused, only briefly as she passed it, staring down at it with a feeling of contempt. Its greasy, wrinkled surface stared back up at the alicorn, and she wondered how she ended up here. Her gaze shifted up to watch as Luna carefully made her way back down to the ground, and a feeling of anger gripped her chest as she resumed her journey out.
Celestia was hauling herself up and out of the cesspit just as Luna reached the bottom of her stairs. There was a disgusting, slippery sound as her sister yanked her foot free from the sludge, finally out of the cesspit entirely. She straightened up on shaky legs, grimacing as the cool air of the cavern quickly began to cool the scat caked to her skin. Looking up, she saw as her sister slowly approached her, and she took a few steps forward to meet her halfway - each step leaving behind a vile, brown footprint on the hard stone of the floor.
Luna couldn’t help but stare at Celestia as she approached. Her sister’s entire body below her tits was covered in a thick paste of deep, brown muck. It absolutely reeked, the scent of the agitated waste much stronger than the latent smell of shit in the room. She glared at Luna as the younger sister looked on in shock, the prior coldness in her demeanor replaced with a fiery anger that had nowhere to be directed except at the other alicorn.
“Don’t look at me like that,” she hissed. “What, are you jealous?”
Luna balked at the question. It had seemingly come out of nowhere. “Jealous? Why in the world would we be jealous, sister?” she asked, a small part of her fearing the answer she would receive.
In response, Celestia just let out a short bark of laughter. “Well, given the way you’ve been treating me like shit, I figured you would have wanted to bathe in it as well. It isn’t like you haven't grown accustomed to the taste, either,” she ranted angrily as she scraped a large chunk of scat off of her upper arm with disgust. The sludge clung to her fingers and Celestia looked at her hand with loathing for a moment before she flicked her wrist, flinging the changeling shit towards her sister.
The glob of filth hit the floor a few feet away from her with a sickly splat. Luna didn’t even bother trying to move out of the way - she probably deserved it anyways. Celestia flicked another, smaller piece of shit off of her soiled arm, but this time the glob arced through the air to land just above Luna’s mouth. The younger alicorn flinched as it hit her, and her mouth turned downward in disgust.
Celestia hadn’t meant to hit her sister in her face.It had been mostly an accident. Automatically, she reached out to wipe the offending piece of changeling scat away. She extended her thumb to wipe at Luna’s upper lip, but just as the other alicorn opened her mouth to brush Celestia’s actions away, her finger ended up going right in her sister’s mouth.
Luna’s lips closed instinctively around the intruder before she could fully realize what was happening. The horrendous, bitter taste of the shit coating Celestia’s thumb seeped into her mouth as her tongue unconsciously rose to meet it, and she nearly gagged. But she was too surprised to fully react, and simply just stood there, bearing the awful taste with shocked, widened eyes, staring back at her equally surprised sister.
For her part, Celestia also stood there, confused by what had just occurred. Her surprised expression slowly morphed into something more contemplative as she felt Luna’s tongue slide against the pad of her thumb. Slowly, she withdrew backwards, pulling her finger out of her sister’s mouth. But Luna’s lips did not part, and when Celestia’s tumb was pulled out, it was mostly clean of the significant, fecal residue that was on it prior.
The alabaster alicorn stared at her clean thumb in shock - only to be pulled out of her confusion by Luna suddenly gagging and spitting the disgusting scat out onto the floor at her feet. “Sister!” the smaller princess exclaimed. “W-what? Why would you do that?!”
Before Celestia could explain herself, Chrysalis’s voice came echoing out from nowhere again. “Now now, Celly,” she chastised menacingly. “Play nice. Don’t be a sore loser, otherwise…” she paused for just a moment, and both alicorns could hear the vile grin stretching across her face in the brief silence. “...I may have to mix in a few extra punishments in return.”
Celestia let out an indignant huff as she once again began to scrape more of the shit off of her body. She didn’t have time to ponder her sister’s actions right now. The stinky filth was drying against her skin and stiffening her gown - which was absolutely ruined after that ordeal - and was overall giving her one of the most unpleasant feelings she had ever suffered through. The best course of action would be to shed the gown entirely, but that would leave her completely exposed for whatever challenges may come next. The alicorn weighed the options in her mind before ultimately deciding to remove her clothing.
“Fuck it,” she muttered as she took the ruined fabric in her hands and simply tore it away. Luna started at the sudden curse, not used to such language from her sister. She was even more shocked at just how roughly Celestia ripped her gown off and threw it to the floor, leaving her completely nude.
While the once-white dress had in fact been coated with a majority of the changeling shit, Celestia’s arms, legs, and hooves were still covered in a thick layer of brown. She tried her best to remove most of the offending sludge with her hands, leaving large clumps of shit on the floor around her as she did her best to clean herself off. Her fingers dragged through the thick manure, scraping it off of her skin in thick, stinky chunks. It was an ineffective method, leaving behind long, brown stains across the pale skin of her arms, staining the once impeccable alabaster with not only a crusty residue of scat, but the horrid scent of shit as well.
Luna watched from a few feet away as her sister did her best to clean herself off. She tried not to pay too much attention to the way Celestia’s body stretched and bent to access the harder-to-reach parts of her calves and hooves, unknowingly putting on some sort of perverse show for anyone who may be watching. The alicorn could not prevent a slight blush from filling her cheeks as Celestia fully bent over to wipe the shit from the bottom of her hooves, fully baring her ass to Luna. Her cheeks parted just enough to show off her pussy and asshole, and it seemed that both of her holes had seemingly been spared from having a large amount of scat smeared across it. Celestia’s wrinkled pucker, however, still gaped slightly from the rough treatment she had previously received, and Luna’s mind could not help but wander to how that must have felt.
And what was it that had just transpired? Luna couldn’t say she enjoyed the taste of her sister’s shit-coated finger in her mouth. It was no doubt some antagonistic payback for everything she had put her sister through to this point. But, that seemed like a step too far - even in retribution. Luna didn’t know what to make of it.
Before she had any more time to dwell on the sight her sister was giving her though, Celestia straightened back up with an aggravated sigh. It seemed that she had gotten all of the shit off of her body that she reasonably could. The taller woman turned to face her sister, and Luna noted with some small relief that her face no longer held the intensely hostile gaze it had just minutes prior. Instead, she leveled an annoyed stare at Luna, and put her hands on her hips.
“Are you done gawking,” she asked, cocking a hip to the side. “We should really get on to the next challenge.”
“We’re sorry,” Luna said, almost automatically at this point. “A-also, we weren’t gawking.” The addendum felt necessary, even if it was false.
“Mhm, right. Let’s just go,” Celestia said. She started walking before letting Luna respond. The newfound routine would help to clear her head. Regardless of what Luna’s reaction was to her accidental action earlier, there was no denying that Luna definitely deserved what had happened. Celestia did not care about her sister’s apology, nor whether or not she had in fact been getting an eyeful of her nude form as she scraped the filth from her flesh. This was a game - a series of challenges, as Chrysalis had described. Even if she was down by two now, the first challenge had proven that Luna was not infallible.
Her win would come.
Author's Note
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The chill of the next room immediately made Celestia regret stripping down. She wrapped her arms around herself, squishing her voluptuous breasts close to her chest as she walked up to the only thing occupying the small room: a single, stone table. Luna came up beside her, inspecting the two, neatly set boxes sitting on top of the smooth granite. They were wrapped in an intricately tied, pink bow. They almost looked like a pair of chocolate boxes that two lovers would gift each other on Hearts and Hooves Day.
“Welcome to your next challenge, my dears!” echoed Chrysalis. “I think you’ll like this one.”
“That is doubtful,” muttered Luna as she eyed the boxes with suspicion.
“Whatever do you mean, Princess ?” Chrysalis asked, placing sarcastic emphasis on the title. “They’re chocolates! And I have it on good authority that you love chocolate.”
If Luna needed any other confirmation that the boxes did not, in fact, contain chocolate, there it was. “We’d be surprised if they did indeed contain any confections at all,” she replied listlessly as the two alicorns came to stop before the table.
“Well then, open them up and be surprised,” Chrysalis taunted.
The two sisters hesitantly lifted the lids off of their respective boxes to reveal what appeared to be two, matching sets of perfectly normal chocolate truffles. But, appearances could be deceiving, and Luna was not going to assume these were normal at all. “So, what is our challenge?” she asked, eager to get whatever this was over with.
“Oh, I simply wanted to give you a treat after all of your hard work,” Chrysalis drawled. “So I had my drones go out and fetch some chocolates for you.” There was a pause, just long enough to let the two alicorn’s regain some modicum of reassurance before she continued, “Buuuuut… it appears that there was some sort of mix up along the way. One thing led to another and it turns out that some of those chocolates were actually replaced with some of my Hive’s droppings.”
Both sister’s faces fell as Chrysalis chuckled maniacally. “They just look so similar, you know? I’m having trouble picking them out. So I’m going to need you two to go ahead and taste them all to see which are chocolate and which are shit! You can mark them with that nifty little marker right there.”
“You’re joking,” Celestia said bluntly as Luna picked up the brown-colored marker to inspect it beside her. “What the hell is it with you and shit, Chrysalis?”
“Mmmm, didn’t we go over this already? Literally in the last room?” the changeling replied, her voice thick with smugness. “If you need a reminder… It’s just so… fucking… hot . And it’s deliciously delightful finally seeing you two take your proper place in this ecosystem.”
Celestia glowered up at the noncorporeal voice. “You are a disgusting creature,” she spat.
“Yes, so you’ve said, so you’ve said,” Chrysalis muttered in a bored tone. “Get some new lines, Princess. These ones are getting stale. Speaking of which…” she trailed off with a mirthful chuckle. “You wouldn’t want your chocolate to melt now, would you?”
As with the previous challenges before it, both sisters now knew better than to hope they could weasel their ways out of this one. They turned their attention to their boxes and prepared themselves for the task ahead. The eldest sister went first, forcing down her hesitation as she reached into her own display of chocolates and gingerly plucked one truffle from the bunch.
Celestia immediately knew what she had bitten into as her teeth cleaved through a soft, gritty chunk of unidentifiable shit. The greasy paste smeared into her mouth as she reluctantly chewed the disgusting waste, and she held back a retch as it hit the back of her tongue. She could not accurately describe the flavor assaulting her tastebuds - equal parts bitter, savory, nasty, and a sickening undertone of sweetness crept along her tongue, and the alicorn needed to resist the immediate urge to spit it back out. It was no easy task.
And the worst part was, that was the first “chocolate.” The rest of the box was still full and still left unidentified. Celestia forced herself to swallow, her entire body shuddering as the thick scat slid down her throat. It left a horrendously foul trail, and the woman could practically feel the greasy paste as it descended into her stomach with a sour turn. But, refusing to show any weakness, Celestia marked the empty space with the brown marker and powered on.
Beside her, Luna was already on her third truffle. She had seemingly determined that the first two were varying percentages of dark chocolate with little trouble. This third one, however, concerned her. It was definitely softer than the first two, and was far more bitter. But it had a sweet hint that could have been attributed to a very dark piece of chocolate. The texture, however, matched the shit she had consumed earlier - and that was what was worrying.
She couldn’t tell.
If it was chocolate, it wasn’t very good. It wasn’t as foul as the sour shit she had consumed a few hours ago, and it wasn’t at all comparable to the smegma-mixed creamy paste that has come from her sister’s anal aftermath, either. But, it was eerily similar to the earth pony waste from earlier.
Luna swallowed thickly and hesitantly picked up the brown marker. Her hands shook slightly as she uncapped it and went to mark down the piece as being feces, but she hesitated. The fact that it didn’t taste grotesque was giving her pause - it couldn’t be shit, could it? There was no way it would taste okay if it was.
She capped the marker and put it back down, and reached for the next chocolate instead. Luna’s eyes darted over to her sister as Celestia let out a barely-contained whine beside her, a grimace plastered across her face as she chewed through what was most likely shit. A pang of pity filled the younger alicorn’s heart, however there was an underlying sense of satisfaction at seeing her sister this way. After all, Luna had forced down how much scat at this point? It only seemed fair that Celestia got her share.
Turning back to her own task, Luna grabbed the next piece of “chocolate” and popped it into her mouth. Her teeth cut through the hard, outer shell like it would any truffle, but it turned out that it was simply hiding its own, nasty center. A soft, greasy paste smeared across her teeth and stuck to her tongue as she chewed through it and an earthy, disgusting bitterness overwhelmed her taste buds. As she chewed, Luna was brought back to her first challenge when she had bitten into that horrible pile of unicorn feces. In any other sense, it would probably be disconcerting that Luna could so readily discern that she was chewing through unicorn shit, however now, Luna felt herself inwardly sigh with relief. Despite its foul flavor, the choice was obvious. This definitely wasn’t a bonbon.
She quickly took the marker and marked off the spot as being shit and swallowed with no trouble at all. It was only after she realized how easy it was that Luna’s face paled. She waited for the sickening feeling to come, but all she felt was a growing sense of shame and embarrassment at what she had just done.
Celestia was still struggling, visibly disgusted by the task she was doing. But she had worked her way through most of her box. There were only a few chocolates left. Luna’s box, meanwhile, only now had four missing. She needed to pick up her pace if she was going to finish this challenge.
As the princess of the night began to pop truffle after truffle into her mouth, her sense of unease only grew. There were very few choices that were obvious to her, and many of them were guesses. Was the bitterness she was tasting just a darker brand of chocolate? Was the creaminess the result of a softer stool? Luna’s heart raced as she realized she couldn’t really tell most of the time, and her panic did nothing to help her attempt to discern which was which.
As she swallowed the last of her coprophilic confections, she frowned at the lingering, bitter taste in her mouth. Her own judgements were different from her sister’s, she could tell that from first glance. Celestia had labeled far more of her truffles as shit, whilst Luna had only marked down three. The dark chuckle that echoed in the cavern only helped to stir her anxiety even more.
“Well, I suppose this is where the phrase practice makes perfect goes to die,” Chrysalis mused as both sisters anxiously awaited the verdict. Luna’s face fell as she realized what the Queen’s words meant. “You’d think after eating so much shit, you’d be able to identify it more accurately, Princess Luna,” the voice said with chiding glee. “Unfortunately, it appears that you could only correctly identify one piece of shit. One, that I might add, was so disgustingly foul that even I could barely bear the stench as I squeezed it out of my own, tight ass!”
Somehow, the realization that it was Chrysalis's own load that Luna had identified soured her stomach even more. The idea that she had a personal hand in the mare’s downfall was almost worse than losing, adding even more insult to injury.
“What’s our punishment?” she asked sullenly, barely audible over Chrysalis’s torturous snickering.
“Oh, it’s no fun when you accept your fate!” Chrysalis booed as her laughter died down. “It’s boring.” There was an exasperated sigh as the empty boxes popped out of existence before the two princesses. Then, perhaps the most unexpected sentence that both women had heard in the cavern yet was said: “I have no punishment for this one. Move on to the next chamber.” A single door opened into the next chamber.
Against her better judgment, Celestia gave the admission pause. “What?” she asked in disbelief.
“The mental torture of becoming so used to the taste of scat that you can no longer tell the difference is a far more vile punishment than any sexual debauchery I could throw at you,” Chrysalis said with disinterest. “And as I already mentioned, it’s no fun when you don’t play along.”
The gears in Celestia’s head turned as she took a hesitant step towards the opening. Maybe her initial attitude towards this game was flawed. Perhaps simply playing along was not in fact the way to best Chrysalis at her own game.
But, her thoughts were quickly interrupted as they entered the next room. This cavern was much smaller - less than half the size of the smallest room they had woken up in. All that occupied it was a small plinth with an assortment of dildos and two, shallow golden bowls. The dildos seemed to be modeled after various equestrian races. The alicorns could pick out the penises of a horse, a dog, and then two more tapered shafts, most likely from a deer and maybe a yak.
Upon closer inspection, however, Celestia realized that they were not, in fact, dildos at all. Her disgust and horror rose as she saw that they were actually real, pulsing cocks - each attached to a sleek, metal base through some nefarious, arcane means. As if that were not enough, however, each phallus also featured a varying degree of filthiness. Some were caked in a thick layer of deep, brown shit, while others were crusted with the aging smegma of an unwashed dick. The woman swallowed thickly at the sight and the stench, but otherwise forced herself to have no visible reaction.
Luna just sighed upon her own realization. Perhaps it should have concerned her that this was barely surprising, but at this point, she just wanted it over with. “What is the point of this challenge?” she asked, ready to get whatever this was over with.
“Surprise!” Chrysalis suddenly shrieked, startling both of the alicorns. “This is no challenge at all! This is, in fact, your punishment for losing the last challenge, Luna!” The changeling queen’s evil cackling filled the cavern as Celestia’s eyes widened in shock and Luna’s face slid into a stoic sneer.
“Of course,” the princess of the night muttered. “How foolish of us for presuming we would get off so easily.”
“Beside each of those creature cocks are two bowls, as you can see. One is filled with a silky, sweet molten chocolate. The other…” she trailed off, building suspense even though both alicorns knew exactly what filled the other bowl. “The other bowl is the digested remains of some delicious, succulent love.” Neither of the two princesses offered a response, and so she tutted with annoyance. “Shit. It’s a bowl of soft, changeling shit. My shit, actually, if you must know.” Silence met the anticlimactic reveal and Chrysalis groaned. “Tough crowd, tonight I guess.”
After yet another moment of painful silence, she went on explaining the rules. “Celestia, your job is to take each of those living dildos and, at your discretion, coat them in one of the two treats. Luna, you will don the provided blindfold and then determine by taste which substance the proffered cock has been coated in. Any questions?”
Silently, Luna grabbed the blindfold and lifted it to her face. “How much time do we have?” she asked reluctantly.
“Oh, no time limit on this one,” Chrysalis answered cheerily. “Take you time with this one. Enjoy it. Especially you, Celestia. I have a feeling this might be… fun for you.”
Gingerly, Celestia took hold of one of the disembodied dicks in her hand. The one she chose was equine, the thick shaft of a girthy horsecock that flared out into a wide head. It was recognizable and familiar, and hopefully, bound to be the least uncomfortable. Her face twisted at just how warm and alive it felt, and she suppressed the urge to drop it as it twitched in her hand. It felt exactly like the real thing - pumping with blood and lust, begging to be sunk into a waiting, moist cavern. She swallowed thickly before guiding it to the first pot, and dipped it inside to coat the veiny length with whatever was inside.
The slop was thick, and resisted Celestia’s efforts to sink the penis into it. She was forced to press harder, and the cock throbbed in her hand under the added weight. Slowly, it sank into the bucket and Celestia let it linger in there for a few moments before pulling it back out.
Sure enough, the length of the horsecock was coated in a deep, earthy brown substance. For a reason she would struggle to describe later, the white alicorn brought it up to her face to take a tentative, curious sniff. Her nose wrinkled as the pungent scent of stale scat wafted into her nostrils and she frowned.
It was repugnant, and Celestia quickly lowered it away to bring it close to Luna’s face instead. The alicorn on her knees sniffed the air as she sensed the object in front of her, and a similar look of disgust crossed her face. “We do not need to taste this one to tell that it is, in fact, coated with feces.”
A disappointed tutting echoed in the cavern. “Oh, but that’s not how this game works, Lulu,” Chrysalis taunted. “You have to taste it, otherwise you can’t really know. Maybe it’s just bad chocolate.”
Behind the blindfold, Luna’s eyes narrowed into a glare. Her lips turned upwards into a sneer and she, without any further hesitation, opened her mouth wide. She lolled out her tongue, rolling it out like a red carpet in waiting, ready for her sister to slide the fetid, shit-coated horsecock into her maw.
For her own part, Celestia felt some hesitance to feed her sister the dirty dick. However, the sight of Luna down on her knees, mouth open and waiting as a single strand of drool slowly dripped down her extended tongue… well… she’d be lying if she said it didn’t look downright erotic. The bareness of her body did nothing to quell her growing sense of arousal, either, and she swallowed thickly as she pushed the shitty dick into her sister’s mouth.
Luna held back a gag as the disgusting phallus slid along her tongue. The vile, sour taste of smegma and shit was nearly overwhelming, although they were flavors she had tasted before. Her previous experience did nothing to truly help, however, as she fought the urge to wretch. Not wanting to encourage any further punishment, Luna did a diligent job of running her tongue along the veiny length of the cock, getting an unnecessarily plentiful taste of the foul coating.
The cock pulsed in response to the attention, and Luna decided that was her que to withdraw. Her instructions were to taste the fecal coating after all, not clean the thing. She pulled her head back, and Celestia in turn withdrew the bodiless penis as well.
“And your answer is…” Chrysalis prompted as Luna attempted to clear the taste from her mouth.
“Shit,” Luna replied dully.
As Chrysalis broke out into a gleeful cackle, Celestia briefly froze at her sister’s cursing. It wasn’t like her sister to use such vulgar, improper language. As a matter of fact, Celestia could probably count on one hand how many times she caught her sister swearing since their youth. She shook herself from her shock quickly, not wanting to prolong Luna’s torture. The tall woman quickly placed the horsecock back on the plinth and reached for the second cock, instead.
This one was distinctly canine in shape, a bright, red shaft leading out from a pronounced, bulbous knot before tapering down into the thin point at the end. Unlike the horsecock before it, it was significantly cleaner, despite the rivulets of sticky pre that were leading down the throbbing length. There was a pungent, musky odor that clung to it as well, strong enough for Celestia to smell even without bringing this one up to her face.
In an attempt to try and mitigate further discomfort for Luna, Celestia dipped the doggy dick into the second bowl. This one was presumably filled with chocolate rather than scat. It met little resistance as it was dipped in, and came out with a clean, silky coating of brown. Definitely chocolate. She held it out to Luna, who took a hesitant sniff before opening her mouth to accept the proffered dick.
Luna barely held back a moan as the sweet taste of chocolate hit her tongue. It was rich and creamy and perfectly delightful in so many ways. Her tongue quickly wrapped around the girth of the dog dick in her mouth as she savored the delicious confection. The cock throbbed as she scraped the chocolate coating off, but she paid it no mind. The taste was such a welcome reprieve from the bitter, foul taste of shit that she desperately wanted more of it.
Above her, Celestia bit her lip as she watched Luna slobber over the phallus. The sight was even more arousing than before, probably because the smaller alicorn seemed into it a lot more than the shitty horsecock. Her pussy was now drooling in between her legs, and she shuffled slightly to try and calm herself down. It did little to no good however, as her nipples began to poke out in stiff peaks and her pussy only heated up even more.
Luna got so lost in cleaning the dick that she failed to notice its fervent twitching as she continued. She only realized too late that the owner of the cock was quickly approaching their orgasm when the knot swelled against her lips and a jet of thin dog cum fired into the back of her throat.
She wasn’t expecting the sudden ejaculation, and she coughed as she pulled herself off of the cock. This, of course, had the unintended side effect of spraying her face with the next few ropes of semen as she tried to clear her throat. Even with the blindfold, she squeezed her eyes shut as her muzzle was dampened with salty jizz. After a few, short spurts, her lips were covered with dog cum, and her tongue unconsciously lapped up the thin, cloudy fluid dripping off of them before she regained control and clamped her mouth shut.
Celestia quickly pulled the jerking canine cock away, narrowly avoiding the next spray of cum to her own face as she hastily set it back down on the table. The remainder of the dog’s orgasm lazily spurted up into the air and splattered down around it in a vile, musky rain. A few thicker oozes of cum drooled out of its urethra and dribbled down the side of the red, tapered shaft, making the throbbing knot glisten with its own ejaculate.
“Wow, quite a show,” Chrysalis commented as Luna reached up to wipe the cum off of her face. “You really only needed to taste the dicks to complete the challenge, not that I’m complaining.”
“Chocolate,” Luna said obstinately, gesturing to Celestia to give her the next one.
The deer dick was already dirty, coated in a then, greasy layer of aged scat, but Celestia hoped that a nice coating of chocolate would mask the taste. Luna was more conservative with this one, only letting it rest in her mouth for a few short moments before pulling back. She did, however, keep her lips tightly sealed to try and scrape as much of the chocolate off as possible, savoring it for the short time she could before announcing, “Chocolate,” and opening her mouth for the next one.
The yak dick, by contrast, boasts a thick, clumpy collection of rancid dick cheese. It was thinner than the deer dick, but had the same overall tapered shape. Celestia cringed as she looked it over, thinking back to the nasty changeling dick that had been offered to her earlier. She could only pray that the chocolate would help Luna choke it down.
As she lowered it to the bowl, however, both suddenly flashed with green light and switched places - no doubt the work of Chrysalis’s devilish magic. But she couldn’t stop the downward motion she had already begun, and the stinky bovine cock slipped into the thick bowl of feces with ease. There was no time to stop it, and Celestia silently cursed to herself as she dragged it out.
Predictably, it was coated in a thick layer of shit, and the alicorn frowned at the sight. But, there was nothing she could really do about it given the circumstances, so she instead lowered it down and held it out for her sister to taste.
Luna’s nose curled at the sudden stench. Had Celestia really teased her with those two, tasty chocolate-coated cocks just to screw her over with another filthy one in the end? She had thought that her sister was trying to be kind, but she was apparently wrong. She had just been toying with her, instead.
“I’m sorry,” Celestia whispered, as if reading Luna’s mind.
The apology did nothing to help though, as the bitter, sour taste of smegma and scat smeared across Luna’s tongue. She scooped as little of the vile mixture off as she could, but it was still far too much for her liking. Luna held it in her mouth for a moment as she found the strength to force herself to swallow, the thick, putrid paste sliding down her throat with much resistance.
“T-that…” the younger alicorn stammered out as soon as she could. “Was vile.”
Chrysalis only laughed once again in response. “Mhm… so was it chocolate or shit?” she asked mockingly.
Luna shook her head with disdain as she replied, “Feces,” and smacked her lips in an attempt to rid her mouth of the nasty flavor. Celestia carefully set the yak dick back down on the table, cringing as a stray, greasy smear of smeggy shit clung to her thumb. She shook her hand, letting the off-color paste splat onto the floor as she refocused her attention on trying to calm her arousal down.
It was in vain, however, as when Luna removed the blindfold, the first thing she noticed was the bright, red blush adorning her sister’s face. The second, was the subtle shuffling of her alabaster thighs together, barely concealing her noticeable arousal. Her eyes paused on the wet snatch for a few moments before they trailed back up to meet her sister’s gaze. Her trail got interrupted once again by the filthy smears on Celestia’s perfect tits - brown streaks smearing the supple, white flesh around the tantalizing globes. Luna’s own arousal began to unconsciously grow as she realized just how hot it was to see her own sister in such a state. Filthy and horny, all because of her .
"Hmmm," Chrysalis suddenly hummed. "Looks like you spilled some," she commented, and both alicorn's eyes darted down to the floor where a thick chunk of shit lay. "Wouldn't want to let that go to waste, now would we? Maybe you should feed it to your dear sister, Celly?"
Celestia cringed at the unnecessarily fond nickname. She didn't really want to do it, but if this sequence of events had done anything, it had reinforced that compliance would be the only acceptable way forward in this game. So, with little hesitance, she crouched down and took the piece of soft piece of crap in between her finger and pried it from the floor.
Luna's eyes followed her sister's crotch as she squatted down and her beautiful, white pussy parted with the movement to let a strand of feminine arousal leak out. She was so distracted by the sight that she barely noticed as Celestia lifted the piece of Chrysalis's shit up to her lips and gently pushed it forward. Her mouth parted, taking in the foul feces, and Luna only realized what had just happened as the vile flavor hit her tongue.
"Eat it," Celestia quietly ordered, and Luna was so taken aback by the sultry tone in her sister's voice that she did just that. Her teeth cleaved into the soft turd and broke it down into a thick paste before she swallowed it with barely any trouble at all.
“Show her your mouth,” Chrysalis suddenly ordered.
The demand broke Luna from her trance. “W-what?” she inquired, her eyes darting around the empty chamber.
“Show your sister your empty mouth. Celly, be a dear and make sure that she has swallowed everything.”
Luna was about to protest more, but froze when she felt Celestia’s gentle fingertips take hold of her chin and turn her head to face her. Their eyes met, and Luna obediently opened her mouth wide and stuck out her tongue to show off her empty maw to her sister. Celestia peered inside before nodding in satisfaction and letting go, instead offering her hand to help Luna up.
The younger alicorn took her sister’s proffered hand and stood, swallowing thickly as she stumbled a few steps into the voluptuous, white bosom of the other princess. Celestia, predictably, caught her and steadied her, and the two shared a silent look as the next doorway opened, and beckoned them into the next room.
Both of them, unbeknownst to the other, were thinking similar thoughts of mixed arousal and trepidation as they parted from each other and took the first steps towards their next challenge. Whatever awaited them they would face together, for better or for worse.
