Everything happened so fast...
One minute, Endeavor and Hawks were on patrols as the bird man hero took down a minor villain whose quirk only works while he's naked.
The next minute, things had downhill from that as a Nomu flew out of nowhere and attacked Endeavor.
The heroes had noticed the dark figure in the sky approaching at full speed towards where they are. The waitress arrives to bring them the check but Hawks immediately pulls her away, as the Hood's head crashes through the glass windows, asking who is the strongest.
Endeavor: Hawks! Evacuate everyone while I deal with the Nomu!!!
Hawks: Got it!
Endeavor sees that the rumors were true and is glad that this was well timed. Endeavor takes the initiative by attacking with flash-fire fist, which shows a blast of fire that sends Hood out of the building and damages it.
Taking to flight by propelling himself in the air with his fire, Endeavor plans to show the Nomu what it means to be the Number One Hero.
Hawks: Endeavor! You can fly?!
Endeavor: I'm just not falling! Stay sharp! This thing can still move!
Endeavour is ready to face the High-End Nomu.
Hood regenerate his burns claiming fire of that caliber can't kill him.
Hood: Y-You didn't think you...c-could kill me...w-with this fire?
Endeavor: (This Nomu can regenerate? Just like the one back at Hosu did......A power I didn't see of thw white ones...does this mean...the black ones are special? In that case...this one is even special among them...because...it can talk...)
Hood: Did you?!
Since Endeavor notices that Hood is on a league of its own unlike other Nomus. it can also think and is capable of speech, so he intends to capture him alive to get information from him.
Endeavor uses Flashfire Fist - Hell Spider to subdue him, but Hood dodges the attack and slam Endeavor through the entire building, sending him to the other side of it, with his transforming arm quirk.
Endeavor incinerates Hood’s arm to frees himself, but Hood regenerates the lost limb and wraps Endeavor to fling him through the entire building, destroying several of the top floors. Endeavor gets a hold of himself and admits that the Nomu is stronger and faster than him.
The top half of the building begins collapsing., but Hawks successfully evacuates civilians with his Fierce Wing Quirk, and quickly moves to help Endeavor in the fight.
Hawks: Hey come on...Number One...
This gives Endeavor an opening to attack again with an advanced version of Flashfire Fist - Hell Spider, striking the High-End with multiple fire streams which cuts up its body, and pulverizing the top of building to prevent the debris from causing damage.
But in spite of everything, the monster manages to survive the attack since the flames missed his head, which moves away to regenerate the missing body.
Other heroes start attacking him while he is regenerating, so Hood releases several minor Nomus through the streets of the city to attack the heroes and citizens, forcing Hawks to have to help them, leaving Endeavor alone to face Hood.
Endeavor understands that he is in a dangerous situation.
The High-End Nomu has been shown to possess at least six Quirks and is smart enough to think rationally.

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Class 1-C (My Hero Academia Fanfiction) - Book 1
FanfictionLike Class 1-B, Class 1-C doesn't get much attention as Class 1-A does. What if...The Heroes at U.A decided to change that. Enter Yukimura Mikoto as he and his class work hard to become heroes. But quick question...Why does he look like Deku?