Center Plaza:
"Amethyst, Shigiarki, you're up," Emerald said.
"Finally," Amethyst said while cracking his knuckles, "Ready?" He said while looking at the man with hands on him. He nods, and the two rush at Eraserhead while the hero saw them and does the same.
"Twenty-three seconds," Emerald said, "Twenty-four seconds, Twenty seconds..." Eraserhead turns to see who's talking and also sees the two charging at him.
"So whose's the leader and whose the follower?" He said as he ran to attack Shigaraki. But Shigaraki was quick and grabbed his scarf, and the teacher countered with a jab to the stomach.
"Seventeen seconds," Emerald continued, "Every time you finish a given move and your max duration's getting shorter and shorter, there are moments where your hair falls in front of your eyes. It's hard to tell when you're scampering around, but..."
"Don't overdo it now, Eraserhead!" Shigaraki and Emerald said in unison while Shigaraki grabbed the black-haired man's elbow. He clicked his tongue in annoyance and punched the hand-covered man in the face. Amethyst took this as an opportunity to attack Aizawa from the side with an explosion. He managed to catch the teacher temporarily off guard, but for too long, he steadies himself after being pushed back. Then, the black-haired man activated his quirk, deactivating the ash-blonde's.
"Tch," the crimson-eyed boy clicked his tongue, remembering the teacher's quirk. So he charges with great speed and strikes him hard in the other man's stomach.
'How is he this strong and fast? I erased his quirk,' the black-eyed man thought, panicked yet somewhat stoic on the outside. Two more villains attacked him, but he still dodged them despite his elbow being injured. Eraserhead steadies himself, his back facing the less problematic villains for him.
"Your quirk, it's not good in long group battles, huh?" Emerald said confidently as he walked forward, with Aquamarine following behind. They stopped once they got closer to Shigaraki. "This is kinda different from your usual work, yeah?"
"Yet you jumped right into this fight," Aquamarine finally spoke up, "Hoping to make the kids feel safe?" She smirked under her mask. The one eye that wasn't covered by her hair was screaming excitement.
"By the way, hero," Shigaraki said. He stood back up and faced the pro, "I'm not the boss here, and neither are they." Eraserhead turned around to see a black creature with its brain sticking out of its head standing over him, reaching out toward him. It had a break with sharp teeth, scars all over his body, and appeared to be wearing shorts. The beast suddenly smashed him to the ground, grabbed his arm, and broke it all at once. "Meet the anti-symbol of peace, the bio-engineered Nomu."
The Nomu continued to break Aizawa's arm even further. "Canceling out quirks. Pretty cool, but nothing special," Aquamarine said.
"Up against crazy strength, you might as well be totally quirkless," Emerald said, leaning on Aquamarine, almost laughing. The Nomu smashed Aizawa's head back down on the concrete, rendering him unconscious. But the last him Eraserhead saw was Shinso, Kirishima, Hagakure, and Ojiro fleeing the scene and off to safety. And the last words he heard were 'I AM HERE!' before the darkness consumed his vision.
AN: The story will now jump back to where chapter 18 ended and resume from there.