Slayers in a Heroic World

Ch. 24 Supernova

Disclaimer I do not own My Hero Academia nor Demon Slayer

I only own the Plot and Original Characters

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*Narrator Pov*

Endeavor helped Hishashi down as they reached the city's exit. Around him were the other injured heroes and slayers, showing that he carried them here. The hero was tired beyond belief. And now worry began to fill him as the sounds of the explosion were silent, leaving the city in eerie silence. Though the silence was interrupted by a loud crack that caused a massive shockwave that shattered the glass above. Endeavor immediately used his body as a shield over the injured from the glass, closing his eyes, awaiting the pain. But it never came.

He opened them and turned around, seeing a giant robot standing above him and several others standing over the other heroes. It was coated in black metal with green glowing eyes and a Giant B-2 on its chest.

B-2: Endeavor, we will evacuate you all out of the city.

Endeavor: What?

B-2: Sorry, but Operation Supernova cannot start until you are out of the city.

Then the city began to shake as the robots began to carry each of the heroes the rest of the way.

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Mei was sweating profusely as she messed with a lot of machinery. She was somewhere extremely dark with her only source of light being a headlamp as she messed with buttons and levers and hammered something in.

Izuku: 'Mei, begin Operation Supernova.'

Mei: You got it, babe.

Mei grabbed a large red lever with two hands and pulled it down, causing the small room she was in to light up. Several consoles lit up along with the room, with a glass pane in front of her, but it was just pure darkness. The consoles showed several portions of the city with touch screens for several unknown actions. Behind Mei were about 7 canisters with an unknown system. Mei pulled a second blue lever that made the room around her start shaking.

Mei: Keep his attention for 2 minutes. The arena is almost ready for takeoff, and the shield is waiting for the last survivors.

She got up and grabbed one of the canisters before putting it in a tube.

--

Izuku prepped himself for that as he began to crack his neck, which was a little strained from all that flying. Shigaraki growled at the disrespect he was getting shown, but calmed himself; he didn't want to show his displeasure to the human.

Shigaraki: I hate to admit it. But your friend there actually gave me a good warmup until, well, you know.

Izuku: Yeah. I could tell.

Shigaraki grew another vein as his attempt to taunt the Sun failed. 

Shigaraki: Hm, you're a lot more confident compared to before. If I recall correctly, I had you dead to rights with my foot on your chest, ready to kill you.

Izuku: A lot can change in a year. I can't guarantee that I can kill you, hell, I'm not certain if I can even kill you or that you can be killed. However, I do gurantee that I will kick your ass so bad that you won't be able to see a sword without thinking of me.

Shigaraki couldn't help but laugh at that as Izuku just gave a cocky smile as he extended his hand out. The ground opened up, causing a canister to emerge, the same canister Mei had stuck into a tube. The canister opened, revealing a katana, its hilt metallic like his armor, and the blade almost pure black in color. The moment Izuku grabbed the blade by the handle causing the blade immediately turned red upon contact with him. Shigaraki raised an eyebrow. He had never seen a blade turn colors so fast, nor one that shone that brightly.