*24 years ago*

Celestia limped through the castle. She had suffered pretty bad injuries during her battle with Morgath and it didn't help she was going into labor. She limped through the doors and saw Luna on her throne.

"Sister?" Luna asked.

"They're coming." Celestia said in panic. Luna knew exactly what that meant.

"Fuck I've never delivered babies before." Luna said as she laid Celestia down on a nearby bed.

"Give it your best shot I wouldn't have called you down from the moon if I didn't have complete faith in you." Celestia said.

"You're still sending me back once I'm done here. Alright I need you to push." Luna said. Celestia started pushing and screaming in pain.

"Fuck this hurts." Celestia said.

"Now you know what it felt like when I gave birth to Cadence and you said it can't be that painful." Luna said sarcastically. Celestia pushed again screaming in more pain. The labor went on for what felt like days before Celestia heard Luna say.

"That's it I see the head one last push." Luna said. Celestia gave one last massive push before she heard what sounded like a baby crying. However that was only one there was another one left.

"Come on Celestia keep going your almost done." Luna said. Celestia pushed again.

"One last push come on." Luna said as Celestia gave her last push and then heard another baby crying. She started panting hard.

"Well how are they? What do they look like?" Celestia asked. Luna held up the two babies. One was a male dragon that had green scales and purple scales. The other one was a female with blue scales all over.

"What are you going to name them?" Luna asked.

"The boy will be named Spike and the girl will be named Ember." Celestia said.

"You know that Morgath will be hunting them once he's strong enough again." Luna said with worry.

"I know. We cannot have them be under the same roof not until they're strong enough to fight him. Take Ember to Dragonlord Torch. He did always want a daughter,after that head straight back to the moon." Celestia ordered.

"Gods I don't want to go back there it's so boring." Luna said.

"It's only another 17 years then you're free." Celestia said.

"Fine. And what of Spike?" Luna asked.

"He'll stay with me. I don't know who else I can trust to raise him." Celestia said.

"Okay. It shall be done." Luna said.

"See you in 17 years sis." Celestia said.

"Alright sis." Luna said as she took Ember and flew off towards the Dragonlands. Celestia was holding Spike. She looked down at him.

"Your going to be a great leader one day." Celestia said softly as she saw Spike open his eyes revealing they were green.

"You have your father's eyes too." Celestia smiled down at him.

Present Day

Two lone figures were wondering through the ruins of an old castle. One of them carrying the other.

"Stop." The one who was being carried croaked.

"We're close. Through that door." The voice said. The one carrying the figure walked through the door and saw an empty mirror frame.

"Think you can get it to work?" The voice croaked.

"I can get it to work Master Morgath." Another voice said.

"Good. The Master will be crowned King once again soon." Morgath croaked. The other figure examined the mirror and started to work on repairing it. After a while the mirror was repaired and the other figure starting to mutter a spell which caused the mirror to become shimmery as if you can pass through. Morgath stared at the portal, his green eyes filled with hatred and vengeance as he grinned.

Spike was walking through Ponyville on his routine patrol. All was quiet. Crime really did take a all time low since he formed the Assassins. Finishing up his patrol he went back to his home and hung up his robes before heading back into town. Now that word has spread that Spike was the savior of Equestria 3 times he had no need for the mask anymore. He strolled around town occasionally stopping to say hi or buy some food. As he walked back to his house Twilight appeared out of nowhere in front of him scaring the shit out of him.

"WOAH! Gods Twilight stop doing that." Spike said.

"Sorry it's just Celestia was requested your presence." Twilight said.

"What for?" Spike asked.

"She didn't say. She's over at my castle." Twilight said.

"Alright then. Let me just drop this stuff off then I'll come right over." Spike said.

"Okay." Twilight said before she teleported away. Spike walked to his house,dropped the food off,and left a note for Sweetie Belle who was out helping Rarity where to find him. Spike then walked out the door and towards the castle.

He opened the doors to the castle to find Celestia waiting for him as well as Ember.

"What's this about?" Spike asked.

"It's about Morgath." Celestia said.

"What about him?" Ember asked.

"A reliable source has told me he has gone through a portal to another dimension." Celestia explained.

"Like the human world?" Spike asked.

"No. The portal to the human world isn't the only portal to another dimension. There are many out there and this one takes you to a reverse world." Celestia said.

"Reverse world?" Ember asked.

"As in personalities are switched or something of the sort. For example the alternate self of me and Luna are tyranical overlords hellbent on enslaving Equestria and it's people while the ruler of Equestria; the alternate self Sombra is trying to protect it from them." Celestia explained.

"I guess I get it." Ember said.

"How do you know all this?" Spike asked.

"I've paid a visit to that world a couple times." Celestia answered.

"Why?" Ember asked. Celestia was speechless as her mind began to wonder...

A few years earlier

"Oh Sombra yes faster." Celestia moaned as Sombra's cock was slamming into her.

"Holy shit.." Sombra moaned out.

"Oh gods I'm close." Celestia moaned out.

"Me too." Sombra said picking up his pace. Celestia arched her back and cried Sombra's name as her juices squirted out covering his cock causing a reaction with Sombra causing him to shoot his juices into Celestia. They both came down from their high and removed themselves of each other.

"That was..." Sombra began.

"Incredible." Celestia said.

"Your amazing." Sombra said.

"So are you." Celestia said. Her mind started to wonder before she got an idea.

"Why don't we have a second round in the bathroom?" Celestia asked slyly.

"Certainly my princess." Sombra answered. Both he and Celestia walked to the bathroom and the rest of the night was filled with more smacks and moans."

Present Day

"J-just scouting." Celestia stuttered while blushing.

"Umm okay." Ember said.

"Do you know why he would go there?" Spike asked.

"It's safe to say I have no damn idea." Celestia answered.

"Shit. Well we can't just stand here talking let's go get him." Spike said.

"Of course and I'm coming with you on this one." Celestia said.

"Mom are you sure about this?" Spike asked.

"I'm sure. Get the others and meet me at the Castle of the Two Sisters." Celestia said.

"Okay. Come on." Spike said to Ember as they ran out of the throne room.

"Morgath why didn't I kill you when I had the chance. This time when I see you I'll make sure you die. I'm not going to make the same mistake twice...

Author's Note

I have no idea what childbirth feels like and never will because I'm a dude so this was my best shot.
And it looks like Morgath is acting on orders of someone else but who could it be?