A Series of Continuous Events
1: Meetings and Discoveries
Load Full StoryNext ChapterAuthor's Note
Originally written and published on Tumblr, where episodes are still uploaded daily, this story involves many characters who have blogs of their own, whose owners have given permission to let their characters be involved.
Admittedly, it's a bit of a mess. Too many characters that are introduced for too short a time and too little a purpose, all combined with many images of questions that people sent in which I used to progress the story, as well as a messy, unpolished style which I only started to develop after the completion of this first act.
That being said, over the next year, my skill improved drastically, and my style changed for the better, and is continuously improving.
This story is the first Act that I deemed to be completed, which here is nigh wholly complete.
However, for a more well-structured reading experience, including some visual aid to set up the start of the story even more accurately, be sure to visit the blog
https://ask-healthy-light.tumblr.com
1: Meetings and Discoveries
After finding the trap door, Healthy Light quickly looked around, making sure they were not being observed. Using their magic they opened the door, and looking down into the cellar, they saw very little. There were no lights, save for the slowly setting sun behind them.
After entering the cellar, they carefully looked down at the stairs, for while they appeared as solid rock, they were old and weary, and appeared as though they could crumble to dust in only moments.
Creating a small torch using their magic, Light quietly stepped down the stairs towards the floor. Looking back over their shoulder every few steps, they saw the trap door, and the sun's faint light, now shrinking in size the further down they went.
Reaching the floor, Light looked around. The cellar looked like it had been abandoned for what must have been years. Cobwebs lined the walls and ceiling as small pebbles of broken rock were scattered about, having fallen down with age.
Their magic torch illuminating the ground in front of them, Light moved towards the dark corridors from whence they had heard the faint sounds coming. Fearing they might be lost in the shadowed catacombs underneath the park, they marked the wall with some magic, small beacons, every turn they took.
After what felt like eons in the dark, many turns and corridors leading to nowhere, they finally reached a hallway leading to a single door. Upon the door was written 'Surveillance, NO TRESPASSING'.
Surveillance, down here, in the dark? What could this mean...? For whom was this built, who surveilled and who was surveilled? Filled with equal parts curiosity and hesitance, Light moved slowly towards the door, the handle of which had the faintest hue of yellow pigment left on it.
Light opened the door, which creaked in its hinges and echoed throughout the tunnels. Startled at the loud sounds, Light looked back into the darkness, fearing someone might have heard the sounds. If they could hear fainter sounds all the way back through the tunnels, above ground, how clearly must the door have been heard?
Putting aside their fear, they opened the door further, revealing a darkened room with bright screens in front of a small desk. As Light walked towards the desk, keeping one ear focused on the tunnels, they noticed a small picture frame on the desk.
Illuminating the frame, it showed the image of a young mare, no older than twenty. Emerald green eyes and charcoal black hair, with a ribbon loosely fastened around their neck. The text below the image, while mostly faded, read
'Banana Mousse
Last seen: January 15th, 2022.
If y.. hav. any ki.d of i.fo.ma.ion,
plea.., con..ct thi. nu..er
557-........'
The rest of the text was no longer readable...
Banana Mousse? Was she not related to Banana Pie, the stallion who had contacted them about visiting the park? What could have happened?
Looking at the screens surrounding the desk, Light saw many figures walking around. But the view of these ponies and other creatures on the screens was... Odd. It appeared as though the cameras which were focused on them were not applied to a wall or anything of the sort. Most were at eye level, following around in fluid, natural motions, rarely, if ever, used by surveillance cameras.
On first glance, Light recognised none of the creatures on the screens. However, upon closer inspection, they noticed a pony with a red horn and bow tie, whom she had seen before. As they were entering the park, this pony, this Doctor, followed closely behind, wondering if they could offer any help. Where had they gone to?
Hearing the door creak behind them, Light turned and came face to face with Banana Pie. Fearing the worst, Light shone their torch, illuminating the darkened room until the darkness had been driven out.
In the warmer light, they could see the cheerful pony they met before, but not the same. Pie had his cheerful demeanor replaced by a broken, defeated gaze towards the Kirin. It wasn't anger or frustration, but... Sadness. Exhausted, worried, heartbroken and depressed. As if they had been drained of all energy and happiness in an instant, bereft of life and rest.
Gazing back at the screens, Light was confused. What was the meaning of all this? Did Pie build all of this? And for what purpose?
Remembering the framed image of Mousse, Pie's daughter, thoughts began to fall into place. All of these ponies and fantastical creatures must have been in contact with Pie, as Mousse had been. Pie had been keeping an eye on them. Surveillance, guarding, protection of friends and family through camera feeds, all leading to this room underneath the park.
Light's mind was flooded with puzzling thoughts and many questions. Not wanting to ponder too long over which question to ask first, they asked a question that would bring many answers:
"Are you alright? Would you like to get something off your chest?"
Looking at the Kirin, Pie tried to put on a facade, bring back a laugh, a smile, so much as a grin, but to no avail. Tears welled in his eyes as he gently wrapped his arms around Light, sinking through his knees to the floor as he did so. Light managed to catch him, and used their magi to gently lay him across their back.
The Unicorn was spent, he had been strong for too long.
Following the beacons through the tunnels, Light led Pie back to the surface, to find that night had fallen and the park had been left empty. Pie laid on their back, tears staining his face but sleeping peacefully. The first thought that entered Light's mind was:
"What should I do now?"
A whisper emanated from around them, as if it was spoken inside of their very mind, which sounded like a Doctor with whom they had spoken before, and he told them to follow the hoofprints, and all would be fine.
The Doctor's voice was familiar, yet foreign. It sounded as though it was the same person, but different too. Their voice was as clear as crystal, as calm as the night, and appearing to be everywhere, but nowhere at once. Looking around, Healthy Light saw nobody. Was the Doctor nearby? Or was there perhaps some magic business abound?
The sun had only just set, yet the high walls cast a long shadow over the park. Following the Doctor's advice, and reigniting their torch, they brightened the ground and surrounding buildings. 'Follow the hoofprints' Light thought to themselves.
Averting the light from Banana's eyes, Light inspected the ground, searching for any marks, any way to leave the park. Pie desperately needs his rest, and Light wanted to make sure he was able to. Passing a small building, they found a map, detailing the layout of the park. Coloured trails, shaped like horseshoes, dotted the image, different routes for visitors to take to take in the full splendor of the park.
After careful investigation, Light found where they and Pie were standing, and followed the map to the closest trail. Moving away from the trap door and the alley, the sounds emanating from the cellar slowly faded away. After some time, Light found a small trail of green tinted horseshoes - coincidentally, the same shade of green as their scales.
Following the trail backwards towards the entrance, Light made sure to walk as gently and carefully as possible, as Pie was still asleep on their back. Knowing their scales would not be very comfortable, Light fashioned a pillow for Pie to lay on, using a part of their mane. Banana quietly mumbled about snow and fire as Light gently moved his head to lay it on the pillow.
Finding the gates to the park, Light was relieved to find them unlocked. They stepped out of the park, and neatly folded the map to save for future use. Outside, the shadows of the walls were no more, and Light doused their torch. While the sun may have set under the horizon, there was plenty of light to see around without use of other sources.
The park was fairly new, and Pie had done his best to advertise it as such. Along the road, there were many signs noting the distance to the park and the biggest towns and cities in the area. 'Ponyville, 3 miles' was written on one of the signs. The closest place to where they were now, Light set out towards the town. Only an hour's walk, probably more, with a sleeping Unicorn on their back.
Eventually, the light of the sun having almost completely dissipated, Light reached the borders of the town. With the approaching night, the streets were calm and quiet, and very few ponies were still out. The wind blowed gently through the trees and shrubbery in the area, providing a cool breeze as Light walked towards the large castle at the other end of the town.
The castle was wonderfully large, and made of gems and crystals, cut into beautiful shapes. Though the sun was far below the horizon, the tower stood so tall, still it brilliantly shone a rainbow of colours across the landscape, as far as the eye could see. Though they had never met the Princesses of Equestria, Light knew of the splendor and magnificence of their palaces and castles, yet was amazed at the beauty and grandeur of the building they saw.
Approaching the main doors, the path gradually changed from dirt and pebbles to crystal and gems. Oddly enough, some parts appeared to have some damage dealt to them, as if some creature had taken a bite out of the path. Could a dragon have done this? It seems likely, but strange, as the marks were small, unlike the massive dragons Light had heard of in eons past.
Reaching the door, Light politely knocked and waited. After a moment, the doors slowly opened up, seemingly by themselves. Stepping inside, the doors gently closed behind them, as large torches that lined the walls flickered to life. 'There is magic abound' Light thought to themselves, 'and where there is magic, there should be magic users. I hope whichever princess resides here can help.'
Wandering through the halls, Light tried to step as lightly as possible, but the sounds of their cloven hooves against the crystal floors reverberated throughout the corridors. Wanting to avoid waking Banana, and possibly others who resided here, Light cast a muffling spell, nearly entirely dulling the sharp sounds that echoed around.
As Light walked down the hall, some sets of doors opened by themselves, showing a throne room, a library, a lavatory, yet no ponies or any other creature. One of the doors led to a small room, which appeared to be decorated for reading, with a large open hearth, a number of chairs, and a few couches. Next to one of the couches was a small chest, which held some blankets and a few pillows.
Breathing a sigh of relief, Light delicately lifted Banana up from their back and laid them on one of the couches. Using their magic, they ignited the wood inside the hearth, allowing for some light and warmth, and placed a blanket over and pillow under Banana, who was still sleeping, fortunately, calmer than before.
Since entering the building, Light had neither heard nor seen any other creature, besides Banana, which puzzled them. Could today be a celebration of some kind? Or maybe there was need for the Princess somewhere else? Whatever the case may be, Light stepped out of the room, allowing Banana to rest and recover his strength.
Quietly closing the door behind them, but not wanting to startle anyone with the sudden presence of either them or Banana, Light used their magic to engrave the door. Clearing out a small part above the handle, they wrote:
'Dear Princess, I tried to look for you in the castle, but I could not find you. Inside of this room, Banana Pie is sleeping, resting to recover their strength. The sun had just set when he fell asleep, so please do not wake him until morning. I will find residence some other place, but I will return at first light tomorrow. At the rise of dawn, look to the North. Thank you. Yours faithfully, Kirin Healthy Light.'
With the note on the door, Light turned to leave the castle. Physically tired and mentally fatigued, they would have to find a place to reside for the night. The villagers were most likely familiar with Kirin, after friendly relations were established and they regained their voices. But for one to show up at anyone's doorstep, in the dark of night, to ask for residence, would most likely startle many.
Moving past the castle towards the woods behind, Light fashioned a small shelter. Having been a Ranger since a young age, survival in unfamiliar areas was familiar to them, though it had been very long since they had last done so. With a small flame from their hoof, they lit a fire, and surrounded it with stones. Being a Kirin, they could eat all sorts of foods, not just plant-based. Though for tonight, fruits and nuts would have to do.
After finishing their meal, Light went to sleep, their body giving up on them. Hoping to be able to process the day's events, Light listed what they thought felt. worry about Banana, confusion in regards to surveillance, caution as to not startle any townsfolk. The following morning, feeling reinvigorated, they relit the fire and boiled some water for tea as they watched the tower slowly begin to shimmer its brilliant colours.
Finishing their tea and dousing the fire, Light slowly headed back to the castle. Hoping for the best, yet expecting the worst, they approached the castle from the North, just as the sun was rising above the horizon. Then, from the castle, two figures appeared and walked towards Light, though the sun made it hard for them to see. Approaching the Kirin, Light was confused, as these two figures appeared to be one, yet two.
Eventually, close enough to speak, Light introduced themselves. The figure, or figures, introduced themselves as well. Their first word being:
With many thoughts racing through their mind, Light shook them off with equal parts confusion and amazement at the pony in front of them. Giving introductions to Twilight Eclipse, they politely shook each other's hooves. After a quick word, Light confirmed that Eclipse had seen and read the message they had left on the door, and left Banana Pie in peace to rest and recover his strength.
The sun now rising higher above the horizon, Light and Eclipse turned back to head to the castle. When Eclipse asked Light where they had resided overnight, they explained they had made shelter in the woods close to the castle. Shocked at this revelation, Eclipse offered Light a room to stay in the castle, as they explained 'There are so many rooms in the castle, I'm still finding new ones every day! A few rooms for others to rest when they visit is the least I can do!'
Light thanked them as they walked through the halls, their steps echoing through the halls as they did the night before. Worrying they might wake others in the castle who had not yet awoken, Light quickly tried to cast a muffling spell on themselves. Embarrassed, they explained they had done the same the night before, when trying to find a place for Pie to rest.
Eclipse reassured them, saying that they realised this would happen when the castle grew out of the ground, and had cast permanent dampening spells on the inner doors of all the rooms in the castle. 'The kitchen could be burning down and you'd hear absolutely nothing in the library one door down!' Both chuckled at the relief and ridiculousness of the scenario.
Reaching the reading room, and quietly opening the door, they found Banana Pie still asleep on the couch, the fire gently smoldering from the evening before, with the last embers flickering quietly around the wood. With Pie still asleep, Eclipse and Light headed to the kitchen to prepare breakfast for all of them. Tea, toast and jam, some cupcakes, fruit and fruit juice and the accompanying cutlery to set the table. Light made sure to grab some water and fruit and placed it on the table, close to the fireplace, for when Banana woke up.
As they were setting the table, since the doors were open, Light could hear others approaching the dining room. The main thing they heard were the sounds of hooves on crystal, but there were some gusts of wind, and softer taps mixed in with the other sounds.
As Eclipse walked out to greet the approaching group, Light grabbed more cutlery and prepared more food and drinks in anticipation for the joining group. At the same time they mentally prepared themselves, as larger social gatherings drained them of energy very easily.
When the group walked in, Light moved over to greet them, the extra food and cutlery magically floating behind them. As they walked out of the kitchen, Eclipse introduced everyone to Light:
A young dragon, clad in purple scales. Two Pegasi, friends for as long as they can remember. Another two Earth Ponies, whose energies stood in strong contrast to one another, and a Unicorn, dedicated to show others the best of themselves and the group.
Appearing somewhat startled at the Kirin in front of them, the group gently moved out of the way, as Light set the table, allowing the others to join in on breakfast. Not unfamiliar to their reactions, Light made sure to not take them too personally. As everyone took their seats around the table, the young dragon and excitable Earth Pony sat on either side of Light, their eyes constantly fixated on them in a gaze of amazement.
During breakfast, Light was asked many questions, primarily by the ones next to them, as they could barely avert their eyes from the Kirin. Most questions were sweet and harmless, and Light gladly answered them. They asked them about their home, wondered about their childhood, which they spent in muted silence, and expressed astonishment at the scales on their body and uniquely shaped horn on their head.
Other questions, however, they avoided answering, as either they did not know the answer or they did not want others to know it, whether it be for Light's own safety, or others'.
After breakfast, Light offered to help clear up the table, but being flanked by eager and excitable young ones, Eclipse bade them to remain seated. When all had been cleared and everyone was enjoying a cup of tea, Light finished their drink and thanked them for their hospitality. Before leaving, they asked Eclipse if they could look for information in the castle's library, to which they obliged.
Asking around about maps of old, Eclipse confessed they might not have what Light had been looking for, either due to scarcity or loss of information from these periods of time. As the morning was passing, Light admitted they needed to leave as they had business elsewhere, worried they might have issues without the data they were looking for.
Concerned, Eclipse and the young dragon offered to look for the maps while Light headed to where they needed to be. Thanking them profusely, both for their kindness of letting both Banana Pie and them reside there for the time, as well as for their offer to look for what may not be there, Light delicately grabbed one of their scales and imbued it with magic, explaining that it would allow them to contact Light about anything they may find. Light left the palace and headed back to the park from whence they and Pie had come the evening before.
As Light left, Banana was getting more restless. Tossing and turning more in his sleep, and muttering about snow, eventually he woke up to find himself in an unusual place. His head pounding, heart beating quickly, taking deep breaths and breaking out in cold sweat, he grabbed the water and fruits that were left on the table before carefully walking towards the door. Opening it he stood in front of Eclipse, who had come to see him, both to check up on how he was doing and to let him know Light had just left.
Before the words could come out of their mouth, Banana interrupted them and asked in rapid succession:
'Who are you? Where am I? When did I get here? And where is the Kirin, Healthy Light?'
'Where is my friend?'
When the realisation washed over Banana, in an instant, he tried to move past Eclipse before stumbling and running into Twilight, who managed to stay standing as Pie fell backward to the ground. Solar, knowing Banana was in no shape to give chase to Light, after they had brought him here only the night before, gently helped him up and guided him to the main hall, where the trio could meet with Twilight's friends to discuss the best course of action.
Solar explained to Banana that, just before Light left, they had given them one of their scales imbued with magic, to alert them to new developments regarding books of legend and maps of old. Twilight admitted that she did not know why Light wanted these maps or books, but as she explained that Light was headed back to the park, Banana knew the reason, and he tried to keep his composure as best he could.
Pie offered to help the group search for any information, as he vaguely knew what Light may be looking for. To reassure the group, he calmly explained it was not for any sinister purpose, though, at first glance, it might appear so, due to the mystery surrounding the ancient texts. He asked Solar and Twilight if they could help Light, and they set out right away as the group began to search for what may not be there.
Meanwhile, Light was approaching the park, which stood fair and tall not too far from the town from whence they had just come. As they neared the gates, they could hear the sounds of gallopping hooves, a short distance down the road. Solar and Twilight had caught up with Light, who was pleasantly surprised at the unexpected sight of the two. When they caught up with Light, whose first thought was still on the well-being of Banana, they explained Banana had awoken and asked them to help.
Light sighed deeply, relieved to hear that Banana seemed to be recovering well after what must have been a very rough couple of days. The park was opened yet again, for while Banana was the founder, his presence was not always necessary for the park to operate as normal. Creatures had come from far and wide, due to the incredible diverse contacts that Banana had made over the ages.
Ponies of all races, big and small, of all ages, came to visit the park, alongside dragons, Griffons and Hippogriffs, even a Bat Pony, a young Alicorn princess and another Kirin. Somehow, Banana Pie had reached out to them all, seemingly able to travel vast distances in very short time, just to spread the joy of the fruit he was named after.
Having been shown much kindness by the Unicorn, Light hoped to help him in any way they could, whether it be keeping an eye on the park, helping to nurse him back to health or more secretive business such as the surveillance in the catacombs, though the purpose of the latter, they still did not know...
Light's hairs began to stand upright as they and Eclipse approached the alley where the trap door to the tunnels lied. Looking back at Solar and Twilight, they appeared as though they had felt a tingling sensation as well, for the feathers on their wings stood upright, and they seemed agitated, but not rationally. This was an ancient response to danger.
Questions flowed through Light's mind, some questions they need not ask, some they need no answer for, and some, they would not ever expect to have resolved. If answers do exist, to find them will take tremendous effort and may take a very long time.
'Why did Banana reach out to me? For how long has he been surveilling, protecting others?'

Many questions still lingered on as possible connections appeared left and right in Light's mind. Banana's only connection to the catacombs is the surveillance office, and of this they can be certain.
Screens lining the walls, keeping a watchful eye on the ones Pie had been in contact with and whom he cares about, combined with Mousse's missing picture on the desk, the conclusion for this one question became clear; Whatever may have happened to Mousse, Banana wants to prevent this from happening to others.
The catacombs where he had build the office seem out of place. The park is new yet the catacombs ancient, decrepit. Pie built the park over these catacombs, but whether knowingly or unknowingly, neither Light nor Eclipse knew.
The office itself couldn't be that old, as the technology was new, with some parts even appearing to be more advanced than currently available, but the catacombs, where the room was located, must have been there hidden, underground, for years, decades, centuries, maybe.
Thoughts and voices from others seem to pass through this area, the Doctor being the clearest example yet. Their voices clear as crystal, but with nobody nearby, this area appears to be... connected, in a sense, to others, perhaps through magical means.
Exactly for this reason, Light asked for books on history, legends, myths, and maps from eons ago. In the back of their mind, having witnessed many evils rise and fall, Light suspected that the catacombs could be connected to these powers, but whether for good or evil, this remained to be seen.
Light hoped that something, anything, be it books, maps, fairy tales even, that Banana and the group back at the castle could find, could be useful.
Strong magic lingers in the area, is this event connected to the catacombs? Who built them?
What were these catacombs used for? Turning away from the trap door, fearing someone else might stumble upon it, Light turned back and closed the hatch, after which they locked it with a spell of their own, so that none but them, and the ones they gave permission, could open it. They covered the hatch with loose dirt and rocks from the surrounding ground and made sure the hatch was no longer visible.
As Light, Solar and Twilight were walking through the park, from behind Eclipse a voice called out towards them, and as they turned around, a large smile appeared on Solar's face as they raised their hoof up high to greet the one who called out to them; a pale Pegasus Mare with a sky-blue mane, who embraced Eclipse tightly enough for Light to hear their bones crack.
Light Rain introduced themselves to Healthy Light - joking that there was a lot of Light present at the moment - and asked what the group was doing here. Healthy Light explained they were there to investigate a number of strange findings in the park, but where to begin, they were not sure. For the moment, the best thing they could think of was to measure the size and scale of the park, using the map Light had grabbed on the way out with Banana the night before.
The park accurately laid out all the parts of the park, with many trails of coloured hoofoprints leading throughout the park, which the group could follow and using which they could make accurate measurements. After having noted down the size of the park, this allowed Health to determine the scale, which would help them determine the paths and size of the catacombs, should the group at the castle manage to find any old maps of the area.
Rain joined Health, Twilight and Solar as they were heading back to the castle, where they made small talk about how Rain and Solar knew each other, their connections to Banana Pie and the thoughts Light and Eclipse had about the strange tunnels under the park.
Reaching the castle, Light trotted ahead to the library where they found Banana, sitting at a desk, focused on an old tome, surrounded by piles of other books as the others were searching through the library for anything of use. As Health entered the room, they called out to Banana, who gently got up and walked over to Light to give them a gentle embrace. Light Rain, Twilight and Solar, following them into the library, introduced Rain to the group as they had not met him before.
As Light embraced Banana, however, they noticed the pink Earth Pony's tail starting too twitch, as their ears focused on strange voices and sounds from the outside of the castle. The twitching of the pink Pony's tail becoming more severe, making other parts of their body start twitching as well, the others realised something was amiss.
Faster than the eye could see, using their magic, Light grabbed all the ponies across the library and moved them behind them, as Light cast a protective spell over the group. Looking back at the shielded ponies, when they saw the pink Pony close their eyes and turn away, Light moved to take up a defensive stance, protective over the group, and as the extremities of their body started to darken and began to glow with a reddish flame, the last words they heard were:
'Would anyone like to see a big BOOM?'
Before a devastating explosion shook the very foundations of the castle and the walls were completely and utterly obliterated.
The explosion was so powerful, the shockwave blew out all the windows of the castle and every building within one hundred metres of the epicentre, and the wall was nigh irreparably damaged. Over two-thirds of all the books in the library were blown to shreds as loose, torn pages of random books floated down amidst the devastation.
When the dust had settled, a Green Unicorn with heterochrome eyes walked in through the rubble.
Looking around with their heart broken and their mind cluttered, Twilight and Solar looked at the green Unicorn standing on the rubble where the wall used to be, viewing him with discontent, since his actions meant that any chance of finding information in the castle's library was greatly diminished. Twilight started writing a letter to Celestia, hoping they could give to her advice, to send replacements for the lost books or if she could write a spell to undo the damage caused by Boomlord.
As they were writing, however, they realised Light was not in front of them anymore, and the ward that they had cast over the group was shattered and flickering away. Looking around, they could not see them, until Rain pointed out a small, red and purplish flame flickering under a pile of rubble on the far side of the library.
Running over, Banana reaching the rubble first, the group started to move the shattered crystals, broken bookshelves and other debris off of the pile, until, after a little while, a couple of green scales were seen under the pile, surrounded by slowly dwindling flames. Reinvigorated, the group hastily yet carefully continued to excavate the unconscious Kirin, holding their tongues and holding back tears over fear of their fallen friend, and after a short while, Light was completely uncovered.
After the group gently tried to wake the Kirin, they awoke, though in great pain. Light's pain pain was lessened as the group tried to help them up, for Light saw that nobody else was even slightly hurt. They gave a small chuckle, assuring the group they were alright, though this was swiftly disproven as they tried to get up, sinking through their legs as soon as they tried to stand upright.
Fearing their legs were injured, they sat backwards, biting their tongue to hold in strong words they wanted to express because of the pain. Due to their slightly larger size, and the injuries they had sustained, Light was as of yet unable to be moved to a safer location where they could heal. Some of the group quickly ran past the green Unicorn towards the town, making sure that there were no other injuries, leaving Light somewhat confused and concerned.
With a quivering voice, Rain and Banana asked 'Why did you do that? Why did you not protect yourself? Why did you put our safety above your own?'
As Light calmly replied 'Because it was the right thing to do.'
As Twilight was still coughing up dust from the explosion, Solar asked Light if they were okay.
Gently turning towards Solar and Twilight and giving them a smile, they quipped 'Well, I've felt better.' as they eased their gaze towards the two and gave a small chuckle, gritting their teeth at the sharp pain they felt immediately afterwards.
Light was relieved beyond belief that nobody else was hurt. Looking back at the green Unicorn, who was still standing near the hole he made in the wall, Light's amethyst purple eyes were quickly filled with white-hot anger at the damage he caused and the risks he took, as their hooves and tail started to darken and glow with the same reddish flame as moments before the blast. Turning away and taking a deep breath, the flames subsided, to the relief of the present ponies.
The rest of the group made sure Light would not move, as neither the extent nor the severity of their injuries were yet determined. Using their magic to grab the legs of the broken table Banana had sat at moments before, Twilight, with the help of the snow-white coated Unicorn and the young dragon, made a number of splints to apply to the Kirin's legs, to prevent any further damage.
Returning a little while later, the calm Earth Pony with the large hat returned, followed by a larger, red-coated stallion, pulling a cart behind him, reassuring the group that there were no other injuries anywhere in town, save for townsfolk startled at the sudden blast.
Very gently, supported by the Pegasi from above and the Earth Ponies from both their sides, Light moved towards the cart, thanking the group profusely for their help as they did so. Staring daggers at the green Unicorn as they moved past him, Boom looked back with his heterochrome ruby and amber coloured eyes, and though the Unicorn appeared young, his eyes were old, and filled with a deep, piercing sadness. Whether due to regret over the consequences of their recent actions, or because of past heartache, Light could not tell.
For the moment, Light turned away, focusing on themselves and the group, as they were helped onto the cart heading toward the doctor in the town. As they were heading off, followed by most of the group, including Banana, Light saw that Rain, Solar and Twilight stayed behind and sternly talked with the Unicorn over his recklessness.
As Light was headed towards town, and the volume of the argument lessened, they could see the green Unicorn lowering his stature, apologise, and express remorse and regret over his actions, while others in the group explained that using explosives and blowing things up was a specialty of his, though, evidently, he did not realise the explosives would be as strong as they were, nor that there were so many ponies in the room adjacent to the wall he blew up.
Catching up with the rest of the group and Light on the cart, Rain explained that Boom reminded them of libraries in other areas, like the Royal Archives in Canterlot and the Library of the Crystal Empire, collections dating to thousands of years ago, not just a small number of books collected in the last few years since the castle's magical construction. As soon as Light recovered the group could head out, though they were unsure how long this would take.
Looking back toward the castle, Light saw Solar, Twilight and Boom wave at them before they turned toward the ruined library, as Rain continued by saying they would stay at the castle for a while, rebuilding the walls and restoring the library as best they could, hopefully with the help of the Princess of the Sun.
Putting aside their anger, and speaking with as much genuine lightheartedness and positivity as they could muster, Light said:
'We'll have to get better acquainted, him and I. He seems like an... intriguing character.'
They promised the accompanying group they would not hold on to anger, though they would like a stern word with Boom, hoping to give him a stern talking to, both to chain his recklessness and to get a glimpse behind the young Unicorn's old eyes.
Arriving at the hospital a little while later, having had some time to rest, Light felt better and was able to walk more easily than before, relieved that their injuries were not as severe as they had feared. Meeting the red-coated stallion at eye level, Light smiled and thanked him for his help as they shook hooves, before turning toward the doors, lightly supported by Banana on their side.
Entering the hospital, they met the Doctor, and though Light felt better, they let him examine them, better to be safe than sorry. As Light was led to the Doctor's office, they turned back towards the group and reassured them they were feeling better, and they'd be back soon. A short while later, with one of their front and both their hind legs lightly covered with some bandages, they returned to the group who lovingly embraced them, relieved that Light was okay.
The Doctor followed them shortly afterwards, confirming what both Light and the group thought, that their injuries were mostly bruises and a few sprained joints, and that they'd be completely alright in a short time. After the Doctor bade them goodbye, they headed from the hospital into town, both to show Light around and to find a quiet place to rest and discuss their next steps.
Walking past the remains of the library close to the centre of town, the white Unicorn's boutique and the bakery the pink Earth Pony worked, they came to a small cafe, the name of which was 'Pour Me Café', owned and run by two sisters, and as the group took place at a larger table in the sun, a very excitable Pegasus ran out to meet them and to take their orders.
Somewhat startled but greatly amused at their cheerful nature, the group greeted the young Pegasus, who introduced herself to the group as Caff and eagerly pointed to her sister Decaf, who was working behind the counter. Taking the group's orders for some beverages and small confections, Caff swiftly ran back inside, to the surprise of the group at her great speed, on hoof, without use of her wings.
Delighting in the sun, the group chatted amongst themselves, mostly having moved on from the devastation of the library a little while ago. Returning with their beverages, Caff noticed the bandages on Light's body, and asked what happened, to which the group replied that Light had protected them from harm back at the castle.
Caff ran back inside to talk with her sister, both of whom came outside - Decaf gently walking as Caff sprinted - to learn more about the group and the events of the morning. Light talked about visiting the park with Twilight and Solar, meeting Light Rain, and returning to the castle, shortly after which the walls of the castle, and the library the group was in, blew up. Having just returned from the Doctor, they chose to have a rest to talk and recover.
Shocked at Light's explanation and having many questions of their own, Caff & Decaf both grabbed a seat to listen to the Kirin's answers. How Light was feeling, what exactly happened at the castle, and the aftermath of the explosion. As Light thought about the green Unicorn Boom, who remained back at the castle with Twilight and Solar, Caff wondered:

To the confusion of the group, Light replied that they thought Boom didn't target the castle, the library to be specific, for any particular reason. Remembering the Unicorn's old soul behind his eyes, but keeping this thought to themselves for the moment, Light explained that everyone ticks in a different way, with this Unicorn being particularly drawn to explosives, wanting to a grand entrance to any group that piques his interest.
Coincidentally, Boom, Solar and Twilight appeared around the corner, overhearing the conversation between Light and the Coffee sisters. Turning around and greeting the approaching ponies, Light noticed Boom discreetly wipe away a tear, though did not mention it. Solar and Twilight explained that the castle is being repaired, partially with the help of Boom and his written incantations. The books were less fortunate, with most of the collection having to be replaced.
Disappointed at the loss of their work, Light finished their tea and thought pensively to themselves for a moment, before remembering Light Rain mention Boom's knowledge of older, more expansive libraries elsewhere. With the map and their measurements of the park still intact, at the very least, they had a starting point. Interjecting with a sudden loud voice, Boom said:
"I want to help. I have good contacts elsewhere, whom I could ask for assistance."
Finishing their drinks and snacks, the group thanked the sisters for their kindness & the delicious food they served, then paid for the meal. As the group was leaving the café, Light stopped, took another one of their scales which they imbued with magic, and gave it to Caff and Decaf, saying that the group could use all the help they could get, and to please consider joining the group, even if just for a single afternoon.
The sisters gently took the scale and neatly put it away, promising to get in touch when they had talked it over properly later, as the café was opened until late in the evening. Light thanked them both, turned towards the group, and headed back to the castle, which, according to Twilight and Solar, should be close to finished being rebuilt when they get back.
On the way back, Light stopped Boom for a moment and made it clear they wished to speak with him, not just over what he's done and the risks he took, but also to get a better picture of this strange Unicorn. When Boom accepted this, Light thanked him, and told him it was fortunate that they met, as Boom could help immensely by getting in touch with others in Canterlot, the Crystal Empire, and other places of interest. Boom promised that as soon as they got back to the castle, he would reach out and keep the group informed about new developments.
Back at the castle, Light retreated to their room to take note of all they knew, to make preparations to head out, and above all else, to rest, just as Banana has been doing, as their body was not back at full strength yet. Before they reached their room, however, Solar, Twilight and Rain called out to them as they wanted to quickly discuss some matters at hand.
They said they had other obligations in the area, but they would keep in contact with each other and with Light. Twilight told them the young purple-clad dragon could help them send and receive written messages from others, no matter where they might be, and Rain, being a Pegasus, said they could help keep an eye on the park and the surrounding area from above, possibly asking others for further help, as well as keeping the rest of the group updated on any other strange happenings around there.
Thanking them for all their help, Light bade them goodbye for now as Rain, Twilight and Solar turned to head to the main hall, and headed to their room to rest for a little while. Before heading there, though, they decided to visit Banana to ask how he felt, making sure he was recovering well, not just from physical exhaustion, but also mental distress.
Finding Banana in his room, Light gently knocked on the door, asking if they could enter, to make sure how he was feeling. Physically, Pie seemed to be closer to his former energy level, bouncier than before. Behind his eyes, though, there were sadness and fear, which didn't appear to have decreased since last they spoke with one another.
After making sure there was no explosion imminent in the area, Light stepped towards Banana and slightly bent their knees to meet him at eye level, after which they embraced one another, knowing the other has been through too much. Looking back at Banana with a smile, Light reassured them that they would help them figure everything out. Before heading back to their room, they turned to Banana and said:
"Keep holding on to hope. Keep going, one step at a time. Others will help, even if you don't think you deserve it."
After giving Pie their words of encouragement, Light headed back to their room to rest, as it was getting late, for while their afternoon at the cafe was very enjoyable, it was tiring as well. Having asked Caff & Decaf to consider aiding them, Light made a note of all the contacts they had made so far, which turned out to be an impressive list for the short time they have been in the area, being barely two days as of yet.
Light was debating whether or not to take their time to rest, during which they could wander around the town and the surrounding areas, hopefully coming in contact with others who could help them, or to ask Boomlord, Solar and Twilight, or Rain to reach out to friends they have in other cities, allowing them both to grow their network of contacts, and hopefully get assistance in areas they were not familiar with.
For now, Light retreated and headed to bed, wanting to put the very busy day behind them. Some time later, a heavy knock at the door startled Light, followed by Boom swiftly entering the room and closing the door behind him. Somewhat annoyed at this disruption but remembering they wanted to talk with him, Light got up to take a seat across from the Unicorn.
Boom let them know they had heard back from a contact in Canterlot, a musician by the name of Violin Sunrise, an Earth Pony who was familiar in the court of Celestia, having performed in the Royal Halls of Canterlot Castle many times before. Boom asked them for assistance in requesting the Princess' aid in finding old tomes, most of which would be in the restricted section, where none but the Princesses may enter.
"I hope", Boom continued, "that Celestia has enough trust in them to know they wouldn't ask such a thing unless in dire need. Though I think it's better you visit them, I'm not that welcome in the area because... Heh, you can probably guess why."
Thanking Boom for their help, Light started to guide him towards the door as they wanted to rest, stopping before they got to the door, and hoped to ask some questions about Boom himself. Boom obliged, knowing he didn't have anything else to do but wait for others to respond to his messages. After the two took their seats, Light asked:
"Tell me about your first boom, Light requested."
Surprised at this unusual question, Boom asked why Light wanted to know about that, of all the things they could have asked him. Light responded: "There must be a reason for your expertise in demolitions and destruction, yet there is also a strange aura surrounding you. I see it in your eyes, your posture, your mannerisms. I can't quite seem to figure you out, so starting at the beginning may be a good place to unravel you."
Appearing uncomfortable, Light reassured him, saying he wouldn't need to say anything he wasn't comfortable with, but they would like to know who they're travelling with. Knowing the Unicorn was different, older than he appeared, they were anticipating answers that would seem just out of place. Boom responded:
"The first one? Well, that one was a while ago. Took me a while to discover what I was meant to do. Never really knew I had it in me until I was cornered by some ruffians. In defense, I lit a spark that just so happened to hit a barrel of ale. A smaller one, but it blew up on them and they ran. Found the mark on my behind the following morning, still with ringing in my ears. Sparks, flames, blasting powder, you name it, I can use many things to make things go BOOM!"
As he raised his voice, Light saw his eyes light up, flickering to life before quickly being doused. Intrigued by his past, surprised by his eyes and amused by his enthusiasm, Light calmly responded that they would like to rest and they'd continue the talk later, most likely the following morning. Boom agreed, hopping out of his seat and happily trotting to the door.
"Oh, one last thing," Boom said as he left, "I've got gifts and trinkets for basically everyone stored away, somewhere or other."
"I'll get back to you on that. I've got something I think you'll really like. Cheers mate!"
With a mighty slam he closed the door, leaving the Kirin wondering what his gift could be. As they headed to bed, feeling the softness of the pillow, the warmth of the blanket and the gentle wind blowing through the trees outside the castle, Light drifted off to sleep.
Waking the following morning, Light found that their legs were feeling better, and removed the bandages. Still they moved gently, as too much force on any unhealed part could be harmful. They found the day had long since begun, for the sun was high in the sky. As they arrived in the main hall, they found a great many ponies gathered, talking among each other, while preparing satchels to carry along with them.
Among the group were Boom, Light Rain and Solar and Twilight, and, appearing from the kitchen, the excitable Pegasus Caff trotted out happily, greeting the Kirin as she did so. Having had contact with Violin in Canterlot the group decided that morning they would head there first, hopefully being able to find something of value.
As the group was finishing up packing before heading out, Light told them they were going to visit the Pour Me café, and would like it if others would join them, which they happily accepted. A little while later, packed & ready to go, the group headed to the café, finding Banana had arrived there before them.
After arriving at the café and taking their seats, a young and colourful Pony trotted out of the building towards the table the group was sitting at. Light Rain introduced her as Cherry Cream, a good friend of theirs, who would be taking over Caff's position as waitress for the time being, while Caff was travelling with the group. Cherry asked:
And the group all turned towards Banana, who happily raised his hoof as he called out to Cherry, which made them chuckle with amusement at the Unicorn's excitement. Light had a feeling Pie and Caff would become good friends, and despite having just met Cherry, expected the young Pony to become good friends with the two as well. The thought of others finding comfort in small joys, like sharing their love for sweets, enthusiasm and general positivity toward the World, made Light gently smile.
As it was nearing lunch already, the group decided to have a bigger meal before heading to the train station headed to Canterlot. After finishing and paying for the meal, Light headed back inside to talk with Decaf about the undertaking, and promised Caff would be completely safe, reassuring the Pegasus.
Decaf chuckled and replied "Knowing her, she'll be right as rain. I'll hold on to the scale you gave me should anything happen, but you be sure to watch yourself too, alright? After hearing about the castle yesterday I got the feeling you're prioritising others over yourself.", to which Light had no answer but a solemn nod before turning towards the group again.
As the group was nearing the train station, Light asked for their attention for a moment and said: "Thank you for helping. There are a great many things that need answering, and I'm hoping that with extra eyes and hooves we'll be able to figure it out more easily. However, please know that you can stop whenever you like."
"No oath, nor bond is laid to go any further than you will."
To which the group responded with affirmations of their allegiance, understanding and resolve. With these last few words, all stepped on the train headed to Canterlot, where they hoped to find the next step towards their goal.
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