Izuku has powers and transformation similar to Goku black, he's not reincarnation or trained by him just his ability to gain power every time he experiences pain, even minor injuries will give him noticeable boost in power and Yeah he's going to be...
It's been two week since izuku started working at U.A and even though it's been 2 weeks, all the teachers avoided talking to him unless it was necessary, though izuku didn't mind that because it was peaceful but in those two weeks izuku has come to conclusion that, Nezu didn't invite izuku to work with them or anything, they invited izuku to make sure that, he doesn't involved with the villains and most importantly, Media.
He noticed how they made sure that izuku never leave the campus, when there was a villain outbreak. Izuku found it quite interesting that they were willing to go as far as making him a teacher for a class, in one of the heroes training sessions. And today was no different izuku was presently sitting on bench waiting for the bus to arrive, so they could go to the U.S.J for today's hero training session. He glances towards Aizawa, who for some reason was looking at him.
After sitting on the bench for few minutes the bus arrives, he then saw iida ordering around people to enter the bus in line, which caused izuku to roll his eyes. After everyone climbs the bus izuku saw Aizawa coming towards him but before Aizawa could say anything izuku stands up and makes his way towards the bus.
After a while the bus arrives at the U.S.J and upon exiting the bus izuku noticed 13 standing right in front of the USJ gates. Aizawa then tells the students to get off the bus and stand in a line. After all the students were standing in line the space hero approached Aizawa, before saying anything 13 glances towards izuku and then turns towards Aizawa and whispers something. In response Aizawa lifts his 3 finger up, which caused izuku to raise an eyebrow but then decided to not pay them much attention.
After few seconds, when thirteen was done explaining stuff about USJ and what they were going to do, 13 invites them inside the dome. Upon entering the doom all the student's eyes went wide, when they saw what the inside of the USJ looked like.
Aizawa: Alright, now let's begin with what we'll be doing-
Before Aizawa could complete his sentence the lights in the domes started flickering causing Aizawa to stop and then the light completely shuts down causing the students to starts panicking
Kirishima: what the heck's that? More battle robots? Like during the entrance exam.
Hearing kirishima words Aizawa looks towards kirishima and then saw him looking somewhere, Aizawa then turns towards the direction kirishima was looking in and saw
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Upon seeing the villains Aizawa's eyes went wide and then he turns towards the students and said
Aizawa: everyone huddle up and don't move!
Mina: Huh?
Aizawa: Everyone listen they are not robot or anything else. Those are real villains!
Everyone: What?!
Aizawa: Thirteen-
After warning the students Aizawa looks behind to check whether izuku was still behind them or not and he was not. This causes Aizawa's eyes to go even more wide, he then looks towards the villains and saw izuku standing in the front just few inches away from the stairs.
With Shigaraki
Behind all the villains, the leader of the group shigaraki was presently standing near the fountain, where the portal was originally opened by Kurogiri who was standing next to him. Shigaraki scratch his neck as he looks at the stairs and saw izuku standing there. He narrowed his eyes and points at him and asked
Shigaraki: Kurogiri, who is that?
Kurogiri: From what we gathered, that's a new staff member, he was recently hired by nezu.
Shigaraki then was about to say something but before he could, he saw izuku jumping down the stairs. When izuku lands on the ground, shigaraki hears one of the goons say.
Goon 1: Hah! Just one person? Are they underestimating us?
Goon 2: i think they are, Hey guys how about we show those heroes what happens-
While talking goon turn towards izuku but when he did instead of seeing izuku, he saw his upper body standing right in front of him with blood pouring out from where his head used to be. Upon seeing this the other group member's eyes went wide and all of them then glanced towards the head and then they looked towards izuku who's upper body was now covered in blood, looking up towards the ceiling of the room.
Izuku: Ohh my god! How long has it been? It feels like decades since of last covered in someone else's blood.
With Aizawa
Near the stairs, both the teachers and the students watched in horror as Izuku killed someone right in front.
Iida: A-aizawa sen-
Before iida could complete his sentence, he and everyone else present in that area saw as some villains from the group rushed towards izuku and izuku instantly killed them and there without any second thought. This caused some of the students to puke because how disgusted they were but izuku on the hand looked as if he was enjoying it. They couldn't see his face but his actions made them sure that he was.
With Izuku
After killing what seemed like 12 villains, the other remaining villains were now a second on whether to attack izuku or not. Upon seeing their reaction izuku smirks under his mask and rushes towards the remaining villains but he as got closer to the villains, a portal opens up next to him and a nomu comes out of it, punching him on the side, which sends him flying in that direction.
Izuku after being punched manages to regain his balance in mid air and upon landing, he looks towards the nomu and saw him coming towards him, once the nomu get close enough and goes for a punch once again izuku puts his sword right in front nomu's fist cutting his fist in half, while dodging at the same time.
After cutting nomu's hand in half, he turns around only to see him already starting to regenerate his other half of the hand. Upon seeing izuku distracted with nomu, the remaining villains who were still there decided to sneak up on him but when the villains got close only few of them decided to attack and those who did not decided to just watch, As the villains went to attack izuku from behind, they suddenly felt a lot of pain in their wrists and when they looked towards their them and saw their wrists were no there. Causing them to widen their eyes and start screaming in pain.
Izuku: Just because I'm a little distracted, doesn't mean, I have forgotten about you.
After dealing with those villains izuku turns towards nomu, who's hand was now fully regenerated and was ready to attack him once again.
Izuku: Well this is going to be an interesting fight.
