So here I'm trying something a bit new. Many fics I've seen give Izuku some awesome Quirk or makes him strong early or what have you, and then either contrive situations to keep his personality the same or just barely change it. Well, not this time. Izuku's Quirk has a direct effect on his mentality and he's definitely not as much of a cinnamon roll as usual.
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"I'm not Quirkless!" Izuku pleaded with his old friend, "The doctor said I don't have something on my toe, and that means I DO have a Quirk!"
"Ehh?" The much meaner-looking ash-blonde didn't look impressed, "Then where is it? Huh, Deku? You're already four!" His hands started crackling with little sparkles of miniature explosions, "I think you're a liar!" He sneered, "I think the doctor said you were Quirkless, and now you're just lying about it. Well you should give up, loser. Quirkless people can't be Heroes."
"Jeez, Deku." The fat boy with wings laughed as he casually floated in the air, "You're not just useless, but Quirkless too."
"Quirkless! Quirkless!" The rest of the playground chanted, sticking together as kids were wont to do. The teachers watched on, only half paying attention and uncaring about the boy being bullied. They'd step in if the kids went too far, but if you didn't have a Quirk then you really were worthless in this world. And it wasn't like they believed Midoriya either. He turned four six months ago. The last child in their class had come into their Quirk more than nine months ago. Lying wasn't going to make a Quirk appear.
Izuku clenched his fists, tears streaming from his eyes, "I am NOT QUIRKLESS, Kacchan!" He screamed, and then he changed. In the blink of an eye, rather than a young boy… there was a tiny green-tinged-black kitten. Everyone started, wide-eyed at the tiny little kitten. Its tail waved in the air in confusion, and it titled its little head, "Rowr!?"
Two things happened almost immediately. The girls nearly exploded from cuteness overload and rushed over, and the boys burst out laughed, "WAHAHAH! WHAT THE HELL IS THAT, DEKU?!" Katsuki was nearly crying, "YOU FINALLY GET A QUIRK AND YOU'RE A LITTLE KITTY CAT?!"
"RAWR!" Izuku roared ineffectually, causing Katsuki to actually fall over in laughter, holding his gut.
"YOU REALLY ARE USELESS! EVEN YOUR STUPID QUIRK IS USELESS! WHO TURNS INTO A LITTLE KITTY?!" He laughed, ignoring how the little kitty seemed to be growling in frustration, "You really will never be a Hero, Deku! What are you going to do? Cute them to death?! AHAHAHA!"
"RAWR!" Izuku lunged forward, paw bashing into Katsuki's face and dragging downwards, his tiny claws digging tiny furrows into the boy's face from his forehead down to his cheek.
"AHHH!" Katsuki screamed in shock and pain, his hand clapping onto the lightly bleeding wounds.
"What's going on over here!" The teacher finally ran over at hearing their star pupil screaming in pain.
One of the boys immediately tattled, "Sensei, Deku finally got his Quirk and Katsuki was making fun of it and then Deku clawed him!"
The teacher couldn't believe his eyes, seeing the little black cat on the floor looking shocked at what he'd done, and Katsuki rolling on the floor in pain. 'I don't believe it. Midoriya really was telling the truth. And of course, he goes and mars the best Hero hopeful in the class. Damn brat.' He snapped out of it, "Come on Bakugo, let's get you to the nurse. Midoriya, transform back. Kurenai, bring Midoriya to the office and call his mother. He just scratched up Bakugo's face."
…
The next few hours were a blur for Izuku. He spent the forty-five minutes it took his mom to arrive learning how to transform back and forth, and it tired him out. He kept himself busy trying to forget he had just attacked his best friend. Or probably ex best friend now. Somehow he didn't feel like he liked Kacchan too much anymore. It was weird. Maybe it was because of the way Kacchan made fun of his Quirk? So, what if it wasn't super flashy? He'd proven it could be strong, right? And even if it couldn't, there were underground Heroes. He could be one of them if he needed to.
His mom arrived, bursting into tears when he gleefully showed her his Quirk, though she was supremely confused at how he ended up with it. She didn't have a transformation Quirk, and neither did Izuku's father. When they finally calmed her down, they told her that Izuku got into a fight and scratched Katsuki up bad, causing her to burst into more tears!
"Izuku, why would you hurt your friend?!" She asked him, shocked.
"Hmph!" Izuku crossed his arms, shocking her even more at how mulish he was being. Her son had never been so willful! Had his Quirk changed something in her precious boy's brain? "Some friend he was! He's been making fun of me since he got his Quirk and I didn't! He called me useless and said I could never be a Hero!"
Inko stared at him, agape, "What?!"
"Yeah!" Izuku nodded sharply, "And even after I got my Quirk, he just made even more fun of me! He said my Quirk was useless because it was too cute and kept saying I could never be a Hero. Well I sure showed him! My Quirk's not useless and I'm not either!"
"Of course, you aren't!" Inko said, warping him up in a tight hug. Izuku relaxed in her embrace, "I thought you two were best friends! Why would he say mean things like that?"
Izuku shook his head, "I don't think we've been friends since last year." He said, a little forlornly.
"Sorry to interrupt," The Vice-Principle of the school shuffled in, "But I think it's time to take your son home, Midoriya-san. I would suggest taking him to the specialist and keeping him home for a few days." She looked pained, "At least until this blows over. It looks like he's going through some changes, so we want to have a better idea of what we're working with. Midoriya-kun has never been aggressive like this."
Inko looked equally pained, while Izuku looked annoyed. She did as asked and took her son home. Her son surprised her by refusing to go see the specialist. When she asked why he was refusing, Izuku just said that the doctor had told him he probably had a useless Quirk the last time they visited, if he had one at all. "I don't like that old guy."
As they finished the drive in relative silence, Inko couldn't help but hope this would just be a phase that would pass Izuku by. Some fresh Quirk jitters, as it were. She wanted her sweet baby back. As for Izuku? 'So what if my Quirk isn't the flashiest? It's a great Quirk anyway! I'm going to be the best Hero, and no one is going to stop me!'
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"Oh boy, you look happy, Izu-kun." Ochako said, though she honestly was a little bit wary.
"Happy?" Setsuna piped up from beside her, "I'd say bloodthirsty." She grinned, showing her equally fanged grin, "We going all out?"
Komori – the last member of Izuku's four-member team from the Cavalry Battle – tilted her head cutely, "I thought we weren't going to show off for the Festival?"
"Not the Festival." Izuku countered, turning a rather evil-looking grin on the girls, "Just the first couple stages. Me? I was planning on sandbagging until I got to face him. What luck that it ended up being in the first round!"
"Oooooh!" It dawned on Ochako, "The scary-looking boom boy?"
Setsuna winced, "Man, those explosions are loud. Why were you looking forward to fighting him?"
"He's a dick." Izuku said flatly, causing Setsuna to giggle, "The teachers always overpraised him, and he got a big head. We used to be friends, up until he started being a bully about me being 'Quirkless' or calling my Quirk weak after I finally got it. Just like the rest of my class."
"Wait!" Komori looked a little angry, "Are you saying he and the rest of your class bullied you?" Izuku nodded, patting her head. "That's not right! Oooh I should shroom the hell out of him!" She swore, causing him to grin.
"I was the last in our class to get a Quirk. If I didn't know any better I would say our teachers were Meta Liberationists. They never did a thing, even after I got my Quirk. The bullying didn't last long, because once I got my Quirk I got stronger and more willing to fight back for myself. I kicked everyone's ass at least once in class, but even after that." He grinned again, his teeth looking even sharper than usual, "I was still 'just a little kitty.' As far as Bakugo knows, that's still the case."
Setsuna burst out laughing, and Ochako and Komori followed, "Oooh I can't wait to see this. Wipe the floor with that asshole, Midori-kun."
"That was always the plan." Izuku started, before he heard Midnight calling him and Bakugo.
…
"Deku!" Katsuki snarled as he stared at his enemy, "How the hell did you get to the final stage with that shitty Quirk of yours?!" He spat on the ground, "I guess it doesn't matter. Too bad you ran into me! We're allowed to use our Quirks this time, you shitty Deku. You won't even get close, kitty."
Izuku smirked, "How's the face, Kacchan?" His smirk widened when a vein visibly started to pulse on his old friend's head. The three scarred lines running down his face were still on the red side.
"I'm gonna fucking kill you, Deku." The bombastic blonde 'promised.'
"Let's NOT kill anyone, boys." Midnight deadpanned, turning the mic off so that her voice wouldn't transmit to the audience. At least Bakugo had the self-restraint to not shout at the top of his lungs for the world to misinterpret. She eyed Cementoss, thinking to herself, 'Great. A grudge match.' She almost let out a sigh as Cementoss nodded minutely to her. "BEGIN!" She flicked the microphone back on and cracked her whip.
"I'm going to end this in one-" Katsuki rushed forward, only for his eyes to go wide when Izuku seemingly vanished and appeared inside his guard in the blink of an eye. "GAHHH!" He coughed spittle from his mouth as Izuku's knee crashed into his sternum and forced him five feet off the ground. Izuku spun rapidly, throwing a roundhouse kick that smashed into Katsuki's face and sent him smashing into the stage below.
And before Katsuki even stopped rolling, Izuku vanished again, reappearing exactly where he had been at the start of the match, hands in his pockets, "What was that, Kacchan? I didn't quite catch it." The stadium burst into applause at this feat of strength and speed.
"What the FUCK was that?" Katsuki forced himself to his feet, wiping the drool from his lips, "That wasn't your Quirk!" He accused Izuku.
"Why does everything have to be a Quirk with you?" Izuku grinned savagely at him, "I call it Soru, and I've already taught it to a few of my classmates."
"What the fuck!?" Katsuki raged, "Who fucking taught you?"
"I did." Izuku got serious, "I promised myself I would become the greatest Hero in the world, and that meant I had to be better than you and everyone else. Why don't I show you the fruits of that labor?"
"Not a FUCKING CHANCE!" His right arm crackling with tiny explosions, Katsuki swiped up, carving the concrete of the ring into medium sized chunks and propelling them at Izuku as a distraction. His left arm built up a sheen of sweat as his glands began to weep at a faster rate. The chunks of ring that he blew at his enemy were all evaded with insanely rapid movement, Izuku appearing to be in multiple places at once. Not a speck of dust touched him as he used Soru rapid-fire, confident smile still on his face. "FUCKING DIE!" Katsuki threw his left arm forward, the crackles much louder than the previous ones.
BOOM
The stadium rocked minutely as a huge explosion engulfed the other half of the ring, several in the crowd clapping their hands to their ears or flinching from the thud hitting them. They couldn't even imagine actually being in the ring to take that blast.
Katsuki kept a wary eye on the smoke, "COME OUT, DEKU! I KNOW THAT WASN'T ENOUGH TO TAKE YOU OUT, COWARD!"
Nothing could have prepared him for what came out of the black cloud of smoke. The sound went right to that 'prey' part of every living creature's brains as the giant pitch-black Jaguar rushed at him, yowling in that classic manner you always heard in the movies.
Katsuki let out an uncharacteristic squeak of fear as fight-or-flight picked 'run the fuck away' for once, diving to the right and avoiding having the other side of his face clawed off this time. The jaguar chuffed at him as it skidded to a stop in the ring, its claws digging into the concrete. His eye twitched as he realized it was laughing at him.
The roar that came after made most everyone nearby flinch in primal fear, before Izuku morphed back into his human form, his clothes thankfully reappearing. "How you like my Quirk now, Kacchan?" He taunted the blonde.
"What the fuck?!" Katsuki blinked, before rage started creeping back in, "What the FUCK, DEKU!?" He roared, "Was it funny, huh?! Were you having a great big laugh behind my back?! What the fuck was that Quirk?! You were a shitty little kitty!"
"That's right!" Izuku confirmed, "Why would I tell a jackass like you what my Quirk was? Wasn't it a 'useless Quirk that could only turn me into a shitty little kitty?' You and all of your little sycophants assumed my Quirk was useless! Why would I correct that when you were doing such a good job making fools of yourselves? Newsflash, asshole!" He grinned savagely, "My Quirk is Jaguar, and I'd take it over your stupid explosions any day. Shall I show you my next party trick?"
"EHHHHHH?!" Katsuki nearly had an aneurysm on the spot in sheer fury, "You have more?!"
Izuku stripped off his shirt, throwing it off the ring and getting plenty of wolf whistles from the crowd, Setsuna loudest of all. "Enough talk!" Izuku visibly started to grow, and grow huge. He stopped at nearly ten feet in height, with giant hulking muscle and fur covering his entire body. He looked like a cross between a human and a jaguar. His tail waved side to side behind him, and then he vanished at even greater speeds than before, his huge fist smashing right into the side of Katsuki's face and sending him crashing into the ring once more, "How do you like my Hybrid form?"
"DIE!" His response was an enraged explosion from the bomber. "YOU THINK YOU CAN PLAY ME FOR A FOOL AND GET AWAY WITH IT?!"
"Yeah." Izuku said simply, smirking with all his teeth visible, "What are you going to do about it, bitch?"
"RAAAARGGGGGHHHHH!" The blonde was practically incoherent now, "You were a shitty pebble in my path then, and I'm going to put you back where you fucking belong, DEKU!"
Izuku vanished again, his knee once again abusing Katsuki's sternum as his old friend coughed in agony. A shockwave ripped through the air as he flew back, his entire body feeling the shock. He was going to land way out of bounds, perhaps even crashing into the lower audience wall. Izuku vanished with another Soru and beat Katsuki to the punch, kicking him in the back and practically rag-dolling him from the momentum change. Katsuki flew back towards the ring with a rasp of agony being the only sound he could make. Izuku appeared above him this time, and kicked him down to the ring like a missile. He crashed into the concrete and kicked up a cloud of powder and rocks from the crater. Izuku landed in a crouch on the ring, bloodthirsty smirk all over his face.
Off to the side, Cementoss stared at the boy in disapproval. Midnight was of two minds. On one hand, Izuku had definitely not shown himself in a very heroic light right there. The match was over. He had already won. It was clear Bakugo wasn't going to be able to recover. Izuku had then prolonged the match and kicked his opponent back into the ring. She had known when she started it that it was probably a grudge match between the two, but hearing the exchanges had shone some light on the situation. Not that anyone but her, Cementoss, and anyone in the crowd with Quirks like Jīrō's would have heard. Izuku's image was definitely going to be taking a hit after this. On the other hand?
She couldn't help but rub her thighs together and had to bite back a very inappropriate moan.
"See, I am a generous friend. I even kept you in-bounds!" Izuku taunted him, relishing the beatdown he was delivering to the boy who had let all of his potential go to his head.
Katsuki's glands practically disgorged themselves of sweat, putting him at serious risk of total dehydration as he glared hatefully at his opponent. Off to the side, Cementoss made to act but he was too late. "FUCKING DIE!" He thrust his arms forward, firing off a titanic blast that was bigger than even the one his gauntlet had managed to produce. The explosion engulfed the entire ring and rose up nearly a hundred meters. Screams rang out, but were totally deafened by the sheer force of the explosion.
When the smoke cleared, half the ring was gone, and a giant crater was left in its wake. "IZU-KUN!" Three voices in the crowd screamed out in fear.
Katsuki wavered as judgmental voices started streaming in, with Cementoss looking horrified, and Midnight was almost pure white over the realization that her momentary distraction had caused a student's death on national television. Finally, someone screamed, "UP THERE!" Heads snapped up and Midnight almost sank to her knees in sheer relief.
Plummeting to the earth was Izuku, not a scratch on him. And then he just stopped in midair and bounced back up, roughly twenty feet above where the ring was. And then he bounced again, an audible twang hitting everyone's ears. And then he just kept hopping in midair, smirking directly at Katsuki all the while. Katsuki's arms fell limp at his side, shock engulfing him. "Man, I expected more, Kacchan! Weren't you always screaming about how you were going to surpass All Might?" He laughed at the cold fury and despair he could read plainly in the boy's face, "You're boring-" Katsuki looked like he had just straight-up stabbed him with those words, "Time to end it!" He stopped hopping and flipped, his leg almost visibly rending the air in front of it, "RANKYAKU!" A blade of what appeared like pure energy shot from his leg like a sickle.
Katsuki gaped, but his danger senses were screaming at him to dodge, and he did so. The blade of air cut straight through the ring, splitting what remained of it into half, before continuing and cutting through another meter of earth. Izuku landed on the ring as he scrambled to his feet, but Katsuki winced as he practically felt his sweat glands cough when he tried to activate his Quirk. He was bone dry. Izuku's tail lashed out and wrapped around his neck, choking him.
Izuku's huge fist landed in his gut before the other screamed for his face. Katsuki threw his arms up to try to defend, but he may as well have tried to stop a car for all the good it did him. Blood started leaking from a small cut on his forehead from the impact of Izuku's fist. He tried desperately to defend himself, but it was clear he had nothing left as another blow buried into his ribs. And then he was jerked forward and he swore he felt his skull crack when Izuku headbutted him. He fell limp as he blacked out.
Midnight hurried to call the end of the match, but before she could even open her mouth Izuku flicked his tail, sending his old friend to land on the grass, totally beaten and brutalized. He morphed back into his full human form, and turned his head to Midnight.
She swallowed heavily, before raising her arm, "Victor! Midoriya Izuku!"
There was no applause as Izuku collected his U.A. gym jacket with a satisfied smile, not even glancing at his old friend as he was carried to the medical bay by U.A.'s robots.
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"Well that was…certainly a match." Ryūkyū said a little delicately, a look of mild disapproval on her face as she took a sip of her tea, "I can lip read, so I was able to 'hear' some of what they were talking about. Not a good look for either of them, in my opinion. They could have settled things in school rather than on live television. What do you thi-" She stopped, eyes going wide.
Usagiyama Rumi was sparkling. Literally. She had little stars in her eyes and her foot was thumping like her Quirk's namesake. She had the biggest grin on her face as she mechanically turned to Ryūkyū, "Hey Ryūko… how do we send in one of those intern requests?"
Ryūkyū facepalmed. Why had she expected anything different?
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And here we go! Hope you all enjoyed Katsuki getting the shit kicked out of him. One of these days I have to write a Brotsuki fic, but not today. Now obviously, quite a bit of Izuku's growing up was cut out for this snip, but I really just wanted to get up to this point so I could write that fight for this pilot. I imagine that made it quite jarring for the personality changes, but rest assured if I turn this into a full fic I'll be going through all that.
Now why did that personality change come into effect? Because this Izuku is based off Rob Lucci and his carnivorous Zoan Devil Fruit. Carnivorous Zoan users are usually naturally a lot more aggressive. Izuku in this LOVES fighting, and Jaguars are pretty territorial. With Katsuki acting like he had the biggest dick and their backstory together, really the two just wanted to beat the stuffing out of one another. Yes, I'm aware Lucci was a Leopard and not a Jaguar. Izuku is a melanistic jaguar or "Black Panther."
Anyway, hope you all enjoyed! Hit me with them reviews! Not entirely sure which one will be next yet, but I have a number of concepts in the works.
Come say hi! Discord . gg / 3ZwnRbh
