"Not sure how much I am going to enjoy this day..." Izuku frowned as he and Hitoshi walked to Yuuei.

"Don't you have hero basic training today?" Hitoshi asked

"Yeah...and whilst I have all the analysis I made on my classmate's quirks. I am still not the type of person to be able to fight with my quirk... " Izuku sighed. "So, I can only use my analysis today."

"That will be all you need. You have the upper hand." Hitoshi grinned.

"I can only hope so...my costume will help with most quirks my class has." Izuku smiled slightly.

~~~~~~

The day seemed to go quickly, and soon All Might was walking through the classroom door after lunch. Izuku glanced around at all of his excited classmates, he didn't show that he cared. Iida and Uraraka seemed to have noticed that, but they also noticed the look on Izuku's face when All Might said they were going to Combat training.

"You're dead Deku." Bakugo snarled as they were in the changing room. Izuku opened in the case that held his hero costume. He was impressed by what he saw, though he wanted to make sure everything worked first, he wasn't even paying attention to Bakugo, the other guys watched as Bakugo's rage seemed to increase, but it was quite clear that Izuku was somewhere far away. "Oi, DEKU!" Bakugo yelled, Izuku then looked up at him.

"Go away." Izuku sighed.

"He's got a point, yesterday your quirk gave you the lowest result of the whole class..." A red hairs kid said.

"No hero is a one trick phony," Izuku muttered as he began to change.

~~~~~~

All Might began to feel concerned when the whole class came out, but Izuku. He frowned.

"Where's young Midoriya?" He asked

"Just checking everything was working." Izuku stepped out, the class turned, he put something into a slot into what seemed like a headphone. He then put on his headgear and smiled. "And it is."

"You look like a teched-up Aizawa-sensei." Uraraka grinned.

"I did take a lot from his design. Though, the scarf is for a different reason." Izuku said, clearly not wanting to give too much away. All might suddenly realize why he was called one of Aizawa's boys, it was going to be interesting on how he handled today's training. All Might explained everything and soon paired everyone off. Uraraka nervously glanced at Izuku, who was her partner. Then they were paired off as Villains or heroes. Izuku and Uraraka were heroes and were against the Villains Bakugo and Iida. Bakugo and Iida went into a building and stood guard over their weapon. Whilst, Uraraka, and Izuku stood outside, waiting for their cue to start. Izuku had put a mouthpiece over his lower jaw, it was clear he was in deep thought, she watched him before tapping his should, he held up a finger. A minute later, he removed the mouthpiece.

"What were you thinking about?" She asked

"Just my own thing... From what I know, Iida can't go too fast inside, but he may have a way to counter that. But, I now Bakugo will come straight for me." Izuku said. "It will be easier with them apart. I will deal with Bakugo, I will ensure the safety of the weapon to you. Let's try and keep any damage to a minimum." Uraraka frowned but nodded. What was he keeping from her, weren't they teammates? When it was time, they carefully entered the building, they walked around, but sure enough, Bakugo suddenly came bursting through the walls. Izuku stepped in front of Uraraka. "Head up to the higher floors, it must be on one of them. If you find it, tell me." Izuku tapped his earpiece before Uraraka could move. Bakugo ran at them. Izuku acted just as quickly, he rushed forward, grabbing Bakugo's extended right arm, he flung him over his shoulder. Bakugo gasped as his back hit the floor. "Go!" He ordered Uraraka, she nodded and ran. He was strong, she knew that, but there was something else. For now, she had to get the weapon!

When Bakugo got to his feet, Izuku had already run. Izuku was making his way through the maze-like first floor. He stopped running when he believed he was safe. He tapped a button on the head of his headphone, the first screen appeared on the red glass, quirk notes. He tapped it again. A map appeared, when he had grabbed Bakugo, he had placed an undetectable transmitter on his arm. So, he was a red dot on the map, he was about two corridors to his right. Izuku moved again, he had also put one on Uraraka, she appeared as a gold dot. He tapped the button again, the map changed to 3d, giving him more perspective on the whole building. He was thankful they received a map of the building beforehand. He moved as Bakugo got closer. He had to wait until Uraraka had found the weapon.

~~~~~~

Their class watched in an amazed silence at the training. They saw how worked up Bakugo was getting, but how calm and collected Izuku was.

"So, this is why they call him one of Aizawa's boys..." All Might muttered.

"Who do they call Aizawa's boys?" Todoroki Shota asked

"Midoriya, from what I have heard from the teachers, there were two boys with unique quirks, they were quickly called Aizawa's boys as they always followed him around Yuuei when they visited. All I know is that he has a quirk that allows him to see the weaknesses in a person's quirk." All Might replied the class looked back at the training.

"No wonder Izuku is so calm, he knows how to deal with their quirks." Kaminari Denki muttered

"But also how he got bad scores yesterday..." Jiriou added.

~~~~~~

I found it, the fourth floor. Uraraka's voice came over the earpiece All Might had given them.

"Good, is there a way to get close?" Izuku asked as he put more distance between himself and Bakugo.

I don't think so. Uraraka sound concerned.

"Well, um..." Izuku stopped, he was just below her location. "Give me..." There was a sudden blast, Izuku hadn't noticed how close Bakugo had gotten. He had enough time to cover his face with his scarf, the explosion didn't do anything to the scarf. Izuku put more distance between him and Bakugo.

ARE YOU OKAY? Uraraka cried.

"Fine, don't worry, but are their pillars around you?" Izuku asked

Yes. Uraraka said

"Good, hold on to one and wait for my signal," Izuku told her, he faced Bakugo.

"Stupid, fucking Deku!" Bakugo yelled. "You're not meant to be here, your useless, worthless." Bakugo snarled.

"You're starting to sound like a broken record." Izuku sighed. "I have potential, Bakugo. Heroes saw it, even Villains saw it, but you and everyone else didn't. It seemed useless because none of you thought of how useful it could be, just because it wasn't flashy." Bakugo tried to get him to shut up by letting off his quirk again. After several blasts, Izuku glanced around, the building had become unstable, he knew it couldn't be standing for much longer than 5 minutes.

"Uraraka, get Iida and get out of her, this building is going to come down!" Izuku told his teammate.

Are you sure?  Uraraka asked

"Trust me, this is one thing I will never get wrong. Get out here fast!" Izuku said, he turned his attention to Bakugo. "We need to get out of here, the building has become unstable, it will come down!"

"Did Iida fall for it? Cause I won't!" Bakugo lunged at him. Izuku growled, that idiot! He quickly dodged his blast and punched, activating One for All.

~~~~~~

"Can we be sure it will be coming down?" Iida asked

"Midoriya-kun seemed sure about it." Uraraka nodded, they two of them jumped as Bakugo was blasted out the side of the building. The two of them rushed over to help, as they did so, the building began to collapse. Uraraka turned her eyes wide.  "MIDORIYA!" She cried. She rushed over to the fallen building. She used her quirk to start lifting blocks, Iida joined into help her. Bakugo just st up trying to comprehend what just happened. Uraraka found him undercover, he seemed to be out cold, his legs trapped and his arm broken. All Might appeared and pulled him out the wreckage. Uraraka covered her heart. "Is he okay?" She gasped.

"He'll be fine." All Might assured them, Midoriya was taken back to the main campus by a stretcher. Bakugo watched him go with wide eyes. He...that strength? He growled, what the hell Deku?

Author's note: And now people, this is the basic design of his costume, obviously change due to his main quirk. But, you can count on it being upgraded at some point.