AN: Spoilers ahead for anyone who hasn't beaten Pokemon Scarlet's/Pokemon Violet's Epilogue.
I-Expo (Night)
After running up 30 flights of stairs, Dominic had almost no energy left. "Melissa, how tall is this tower exactly?" he asked, trying to remain standing.
"Um, 200 floors." the girl answered, hesitant. "Are you okay?"
"No, I am not okay." Dominic said, seething as he brought out a Poke Ball. "But for times like this, I always keep this one with me." He tossed it into the air, releasing Koraidon in its Sprinting Build. He climbed onto the Pokemon's back, relieving his own stress.
"Can I ride it too?" Mineta asked. His feet were killing him.
"Did you catch Koraidon?" Dominic responded. Mineta remained silent. "Yeah, that's what I thought."
After reaching the 70th floor, the group came across a dead end. "The route's blocked!" Iida said.
"Should we break through it?" Todoroki asked.
"If we did that, the security system would no doubt find us here." Melissa said.
"Why don't we go through this door instead?" Mineta asked, opening a door located behind him.
"No, Mineta!" Uraraka screamed.
"And, we're all screwed." Dominic said, face-palming. "Melissa, is there an alternate route that leads to the top floor?"
"Yes. There's an emergency staircase one floor below us." the girl said.
"Then what are we waiting for?" Iida said, rushing downstairs, everyone else following him. As they ran through the halls, the metal doors in front of and behind them started to shut. "Todoroki!"
"I'm on it!" the boy said, conjuring a large ice mound that blocked the doors in front of them from closing. Iida and Dominic, riding on Koraidon, jumped through the gap and found another entrance to the upper levels.
"Koraidon, use Flare Blitz!" the Pokemon Trainer said, dismounting the Paradox Pokemon. Koraidon changed into its Apex Build and shrouded itself in fire before ramming into the door, breaking it apart. When the attack finished, Koraidon landed next to Dominic. "You did good. We'll take it from here." he said, sending it back to its Poke Ball. "Everyone, we can get to the top floor through here!" he told his classmates.
Everyone rushed through the door to find a bizarre garden that reminded Dominic and Marnie of the Turffield Gym. "What is this place?" Midoriya asked.
"It's a plant factory." Melissa explained. "They research the effects Quirks have on fauna here."
"Hold on!" Jiro said, stopping the group. "Look, the elevator's rising."
"We should lay low until they pass us." Midoriya said. The group hid in the bushes, waiting for the elevator to open.
"I wonder if we could use that elevator to get to the top floor." Kaminari said.
"Only authorized personnel are allowed. And we can't break in either, since it's built like a bomb shelter." Melissa said.
"Reminds me of the Ishimura." Dominic said, recalling the ship. Or more accurately, the fact that the elevators on board were the single greatest feat of engineering he'd ever seen.
The elevator doors opened, and two men came out. One was tall, and the other was short.
"Look at their clothes." Midoriya said. "They're definitely the villains from the party."
"Nobody move a muscle." Dominic told his classmates. "Their vision is based on movement." Nobody corrected him, as they were all trying their hardest to keep quiet.
"Hey! We see you stupid kids!" the tall man said, frightening the group.
"What'd you say, you bastards?" a familiar voice responded. Dominic and Midoriya peeked through the bushes to see Bakugo and Kirishima.
"What are you two doing here?" the short man asked.
"That's what I want to know too." Bakugo answered.
"Leave this to me, man." Kirishima said, trying to calm his friend down. "So, we kind of got lost looking for this party. Can you point us in the right direction?"
"How did they get all the way to the 80th floor looking for the reception?" Mineta asked. For once, everyone agreed with him.
"Don't lie to me or you'll regret it!" the tall man shouted. His hand turned into a webbed claw, which he used to lob some kind of energy at Kirishima.
"Come out and defend him!" Dominic said, getting ready to throw a Poke Ball. But before he could do anything, one of Todoroki's ice attacks did his job for him. "Well, never hurts to have more help. Your turn!" Dominic finally threw the Poke Ball. Just as it opened, a sweet fragrance wafted over the area.
"What's that?" Marnie asked, not recognizing the Pokemon.
"I caught it just before I got the invitation to I-Island." the boy explained.
Suddenly, the ice Todoroki conjured up began to crack. "We'll fend them off. You go and find a way up!" the boy said, forming an ice pillar underneath the group and launching them to the next floor. "I'll be right behind you once I take care of this."
"Got it." Dominic said, getting out his Rotom Phone. "Take this and use it on the Pokemon I just sent out! Its powers should prove useful here!" With that, the boy let go of the device and it was caught by Todoroki.
"What the heck's going on!?" Kirishima asked.
"You didn't hear the broadcast alert?" Todoroki asked, confused. "Never mind. Some villains have taken over the tower. I'll explain more when I can. There's no time now."
The tall and short men carved through the ice wall as if they were erasing space. "What the heck's up with this guy's Quirk?" Bakugo asked as Kirishima hardened his arms.
"So you want to pick a fight?" the short man asked as his body grew. "Then let's see how tough you really are!" His body had become like that of an ogre, menacing and ferocious. He rushed at the group, but before he could throw any punches, a purple chain wrapped around his right fist.
Everyone looked to where the chain came from and saw a small, purple Pokemon that looked like a toy floating in the air. Its entire body was purple, save for its face, which was a black circle with two white eyes. The Pokemon's eyes flashed purple as it spun its body around, squeezing the chain around the Ogre Villain's hand.
"AGH!" the villain cried out, tearing the chain off of himself. His right hand was now covered in glowing purple marks. "What the hell is that thing?"
Todoroki held up Dominic's Rotom Phone at the Pokemon to find out.
"Pecharunt, the Subjugation Pokemon. Type: Poison/Ghost. It feeds others toxic mochi that draw out desires and capabilities. Those who eat the mochi fall under Pecharunt's control, chained to its will. Its peach-shaped shell serves as storage for a potent poison. It makes poisonous mochi and serves them to people and Pokémon."
When the entry finished, Pecharunt's shell split open, revealing its true body. The two shell parts began to glow purple before more chains were shot from them, this time aimed at the Claw Villain.
AN: Yep, Pecharunt's in the story now. Prepare for a very weird battle.