His name is Nagisa midoriya
Adopted as a baby by the midoriya family
He lives with his adopted brother and mum
His quirk is powerful but it scares people he also is able to hide his emotions scarily well when needed which makes surprise attacks a...
Nagjsa is facing down akira takaoka in a one on one fight
Nagisa: THE REAPER HAS COME TO PUNISH YOU Akira; and my god have mercy on my soul I get it Nagisa: nah I'm an atheist Akira: oh well then come at me punk and I'll kill you Nagisa: Sorry that 'little girlfriend' you mentioned earlier yeah if I dodged here she'd resurrect me and kill me again so no can do Akira: Fine!
Nagisa charges right him using Assassin style, his new capture weapon he grabs his legs tripping him, then binds his arms and finally Nagjsa goes to bring down a knife
Nagisa: and that's checkmate asshole
But
Akira breaks out of binds and grabs Nagjsa by the throat making him drop his knife
Akira: you've got a lot of spirit but that's not enough to beat a beast
Akira starts to beat down on Nagisa over and over and over again
Nagisa: what's going on his punches are only getting stronger his quirk is supposed to be he turns damage into power
Akira: ah so you figured it out A certain boss gave me this new power I call it COMBO STAR
Quirk analysis Combo star
Every time the user of this quirk lands a hit the next one I stronger and so on and so on until they stop for more than 5 seconds
Analysis over
Nagisa: (crap this isn't good)
Flashback
Nagisa during one of his more boring weekends decided to go and train with edgeshot's and he provided him with a new item to help with escape
Flashback over
Nagisa pulls a pin out
Nagisa: beware the light
Nagisa closes his eyes and blasts akira with a point blank flash bomb
Nagisa jumps away: (ok let's do this)
Nagisa feels the ground shake
Nagjsa: this feels like some thing only someone truly powerful could do must be overhaul)
Akira: looks like my boss is busy beating up your friends so sorry I'm gonna have to kill you
Nagisa: nah my friends will win just like I'm going to kick your ass, also again my girlfriend would be really mad at me if I'd died so no can do
Akira: can you back up that big talk
Nagjsa's eyes turn
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He's now channelling the power of dinosaurs
Nagisa: (this is going to hurt for a while but I've improved so whatever)