As Katsuki makes his way down to the field to face off against Izuku for his match in the semi finals, he finds himself almost nervous for the fight to come. The slight anxious feeling is more annoying than anything but he can't help but feel almost scared to face off against Izuku. But why does he feel nervous? Just because that nerd is the successor of All Might doesn't mean that Izuku is better than him... does it? Though that feeling has a foundation in something that he hasn't admitted to himself. It's only been about six weeks since classes started at UA and for some reason Izuku is not only keeping up with Katsuki but surpassing him in some ways. The fight against the Nomu is the biggest indicator of that, the monster was meant to be able to defeat All Might but Izuku managed to slay the beast. Granted that was with Katsuki and some of the most powerful members of their class, helping him but he managed to take down that behemoth with multiple quirks.

Prior to that was his fight against Katsuki himself during the combat training, and as much as he hates to admit it Katsuki was outclassed in almost every way. The only time he actually managed to land a hit on Deku was with his super attack, and Deku even managed to predict an ambush and evade it. In the same moment, he also got his first kiss and touched a girl's breast for the first time; despite that it was an accident Katsuki can't help but feel like less of a man because it happened for Izuku before him. This tracks back all the way to the entrance exams itself, katsuki was far enough away from the zero point robot in his exam to not have to worry about it but he saw the robot in the alpha testing site get obliterated by a blur of green light. The same green light and electricity that is put off of Izuku when he uses his quirk. Katsuki shakes these thoughts from his mind as he starts climbing the staircase up to the arena itself.

Seeing the green haired boy on the other side of the arena, Katsuki can't help but feel that anxiety gets stronger and his anger rises. His permanent scowl fixed to his face darkens when he sees Izuku's expression. The man standing across the arena from him has an expression of a man on a mission, one who solidified his resolve and shows no fear. Izuku himself now stands eye to eye with Katsuki with a more muscular build than the blonde teen and this further infuriates Katsuki. "This is gonna be the highlight of today folks! Two heavyweight powerhouses are gonna throw down for their chance at the title fight! Entering on the north side of the ring is the meanest man in the hero course! He's blasted his way to the top ten in the obstacle course, dominated the cavalry battle and has shown his desire for true gender equality in his previous two rounds of this tournament! Give it up for Katsuki Bakugou!" After his introduction to the ring, Katsuki makes his entrance to the arena as he walks up the final few stairs and stands in the ring waiting for Deku. "Next up we have the MVP of both the obstacle course and the cavalry battle! Don't let his soft face fool you, this man can punch down a building and trashed skyscraper sized robots! It's Mr 10,000,000 himself, Izuku Midoriya!" Present Mic shouts prompting even more cheers from the audience and Izuku begins walking to his spot in the arena.

"Before we begin, we've been asked to raise the protective dome over the field for the safety of the audience. Both combatants' quirks are extremely powerful and we wish to avoid any collateral damage during their fight." Midnight states before pressing a button on her mic stand causing a large mesh like dome to be raised over the arena. Once in place the mesh glows with a slight blue color acting similar to Mei's particle shield. "Now! Let's get ready to rumble!" She cheers causing the crowd to soar with excitement. Midnight raises the small brass hammer in her hand then strikes the bell beginning the match.

"I'll give you a second to walk out of the ring Deku, if you're smart. You'll use it." Katsuki says as he crackles small explosions in his palms. He smirks, expecting Izuku to fold and walk from the ring but the slight smile fades as Izuku's body begins to glow with the power of One for All. "Wrong choice, Asshole."

"I told you during the combat training that I'm not afraid of you anymore and I'll prove it. I'm gonna be the one to win the festival." Izuku responds as he continues to charge more and more power throughout his body. Lightning begins to arc off his body, striking the ground causing loud cracks of thunder.

"That's where you're wrong, Deku." Katsuki says as his palms begin to heat up preparing to set off an explosion. "I'm the one who's gonna be standing on that podium and you're gonna be in the burn ward!" Katsuki yells before setting off the explosion in his palm, launching himself forwards towards Izuku. "DIE!!!" Katsuki yells as he throws a hard left open palm strike towards Izuku, setting off an explosion at the apex of the attack.

Izuku notices the change in Katsuki's attack, seeing that he's attacking from the opposite side he usually does whenever he'd attack. Assuming that Katsuki wants Izuku to dodge to the right, Izuku does the opposite. He side steps past Katsuki's hand to Katsuki's left, gaining an opening on the other man's ribs. Katsuki had been anticipating Izuku to dodge to the right and began charging an explosion on the other hand, but when Izuku dips left underneath his attack Katsuki realizes his mistake too late. In the split second it takes Katsuki to look towards Izuku's direction, his eyes shrinking seeing the electrically charged fist of Izuku heading straight to his ribs. With no time to react, Katsuki is drilled hard by three consecutive punches to his side. The first landing on his kidney, the second hitting him in the ribs and the last striking him across the face. The strikes sent Katsuki skidding against the concrete, the strikes had cracked his ribs and jaw with a trickle of blood running down the side of his lip. He sets off an explosion to stop his backwards momentum before he doubles over in pain.

"And in a split second, Midoriya lands three massive blows against his foe! How will Bakugou recover from this?!" Present Mic declares as Katsuki raises a hand to his mouth the wipes away the blood. Looking at the red liquid staining his hand he clenches his fist and growls in anger.

"Whatever training that asshole has done with the pros makes him dangerous. Fighting up close isn't gonna work. Damnit, I can't take another hit like that, it's hurting to just breathe." Katsuki thinks before standing on both feet.

Katsuki clenches his teeth even harder as he blows up the ground, sending himself airborne, seeing the shift in his opponents movements Izuku raises his hands as if pointing a finger gun preparing to use his air bullets to down Katsuki from the sky. Katsuki manages to get to a high enough point in order to begin his counter attack. Izuku watches Katsuki flatten out his hand and then place the other partially open fist over his palm. With a slightly bloody smirk on his face, Katsuki let's loose his newest attack. "AP SHOT BARRAGE!!!" Katsuki shouts as he begins firing dozens and dozens or orange glowing bullets from his palm. Izuku is bombarded with dozens of AP shots that explode all around him. Using his speed, Izuku manages to evade most of them but one catches Izuku on the shoulder just as Katsuki lands on the other side of the arena. The explosion had burned off most of Izuku's gym uniform top exposing part of his shoulder that is burned and raw from the blast. He tears the jacket off of his body before grabbing his left bicep. He puts part of the jacket in his mouth then shoves his other arm hard putting his shoulder back into socket as he grunts in pain. He spits out the jacket from his mouth before standing up out of the smoke. The sweat caused his hair to be slightly matted and his muscles exposed to the audience. Many of the girls in the audience cheer seeing the muscled up successor of All Might, and among them Ochako is one of the loudest voices.

"Like how that feels Deku? There's a hell of a lot more where that came from." Katsuki says cockily as he stands across the arena from Izuku, his hands still raised preparing to launch more of the blasts. "Get up. I want to knock you back down again."

Izuku takes a deep breath before charging his power as high as it'll go. All the way up to 25% and then he pushes it further, his muscles bulge slightly as more power flows through his veins. Topping out at 32% of his power, the increase causes the lightning around him to strike the ground with enough power to scorch the concrete beneath his feet. Red arcing veins beneath his skin glow for a moment before dimming back to his normal skin color as his hair becomes illuminated by the power. He opens his eyes revealing that his eyes are now glowing green just like his hair and the energy running off of his body. Something about this change in Izuku causes Katsuki's blood to run cold as an overwhelming sensation crawls through his skin telling him to run. Izuku turns and gives Katsuki a confident smirk before vanishing, the sudden movement drags all the smoke with him as he moves creating a smoke ring behind him. Katsuki panics before blasting the ground in order to get airborne and away from Izuku, scanning the ground frantically looking for him. Izuku appears above Katsuki releasing a sonic boom from the speed of his attack, Katsuki can only stare as his opponent rears back for another attack.

In that split second, Katsuki sees the glowing green eyes of Izuku staring at him with an emotionless expression. Not one of anger or even a smirk, just completely emotionless, and for the first time Katsuki feels actual fear facing off against Izuku. His imposing aura and visage tell every fiber of Katsuki's being to run away as fast as he can. Though he doesn't have time to do that as Izuku punches Katsuki in the center of his back sending the blond explosionist careening to the concrete ground in a fraction of a second. The impact with the concrete shatters it like glass, massive cracks fractal out like the webs of a spider. Katsuki himself feels like that single punch almost split him in half. Now lying face down in a pile of rubble, blood trailing from his nose and mouth where he had spit it up. Though unlike Katsuki, Izuku wont hit a man while he's down. He appears at the other side of the arena, standing up right and waiting for Katsuki's next move. Katsuki pushes himself up to one arm before bringing a hand over his face and wiping the blood from his nose and mouth. Seeing this, his anger breaks and instead of screaming out in rage he starts to laugh.

"Kehhh... hehehehe." He coughs before starting to chuckle. "Hahahaha! I never thought you'd be worth anything Deku. For years I thought you were just some stupid nerd with idiotic dreams, a quirkless hero. This ain't batman shit for brains, there can't be a quirkless hero." He says as he stands to his feet, the hand he was using to support himself is now clutched over his ribs as he turns to face Izuku. "I know how you did it... how you magically got a quirk just before UA... You have it don't you?" Izuku's eyes widen in shock hearing Katsuki say these words. "I'm gonna make him regret choosing you." Katsuki growls before spitting blood on the floor.

Relaxing the hand that's around his ribs before flexing his hand, he furrows his eyebrows and tries to kill Izuku with just his stare. "If you're a man, you'll stay right where you are and take this head on." Katsuki says before flexing his hands and exploding himself upwards into the air. Katsuki positions his hands around himself then sets off an explosion in both causing him to start to corkscrew at insane speeds as he continues to set off explosions going faster and faster as he launches himself towards Deku. The audience is on the edge of their seats watching this burning corkscrew of smoke and flames barrel roll right towards Izuku who's standing ready in a fighter's stance. Izuku increases the output of One for All back up to 32% preparing to counter the super attack that Katsuki is preparing. The volume from the explosions is so loud it covers up Mic's announcements and Aizawa's protest at this attack. Seeing the firenado coming straight for him, Izuku sinks forwards more into the stance, widening his feet apart then clenching his feet preparing to strike. "HOWITZER IMPACT!!!" Katsuki screams as the flaming vortex gets within range of Izuku. He throws his right hand forwards, extending the glowing ball of explosive force towards Izuku. The successor of All Might shifts his hips and weight forwards and turns, extending his hand towards Katsuki as he throws the punch. The glowing explosive energy ball gets within centimeters of Izuku's fist before it explodes.

Ochako had covered her eyes expecting the worst, but she peaks through a split between her fingers, continuing to watch. Even the members of class 1-A had expected Izuku to get decimated by the attack but that's not what happens. At the moment of contact, the power of One for All overwhelms the howitzer impact causing it to recoil back onto Katsuki and over the arena. The air force from his punch dissipates all of the smoke and flames from the explosion. The impacting shockwaves nearly send Midnight and her entire podium flying as Katsuki is launched clear to the otherside of the arena. The blond using his explosions to stop him from flying out of bounds but the counter attack broke one of his arms. He crashes to the ground in a heap, rolling to his side before coming to a stop. Groaning in pain as it begins to set in and radiate through his body. "Katsuki Bakugou is..." "Shut the fuck up! I didn't hear a bell." Katsuki shouts, interrupting Midnight declaring Izuku the winner. Through pain and gritted teeth, he forces himself up to his feet, his right hand clutching his left bicep as blood trickles down from his entire torso.

"Of course..." Katsuki grits, "It just had to be you he gave it to, the useless Deku... scrawny... weak... quirkless." Izuku's face shifts to fear as he tries to run towards Katsuki to keep him from finishing the sentence. "The only possible way that you would ever beat me is because he gave it to you! You have..." Katsuki raises his voice in anger as Izuku starts running towards him.

"Wait Kacchan! Don't say it!" He shouts, getting closer and closer to Katsuki, extending a hand to try to reach him and stop him from speaking.

"You have One for All!!!" The moment he says this, the entire audience gasps, both classes, Aizawa, Present Mic, and every single viewer almost world wide gasps in the same moment. Izuku stares in horror at what Katsuki has just said, his hand still out stretched trying to stop him from saying it, but he was too late. In the silence that has fallen over the arena, something awakens. A black and green miasma explodes from Izuku's arm, erupting from his skin and from his fingers in long smoky tendrils snaking through the air. The black whips launch themselves towards Katsuki, slamming hard into his stomach, launching him from the arena and embedding him within the same hole Kirishima had made with his face. More and more black whips leach out from Izuku's hand stabbing into the ground and arena dragging him off of his feet as he loses control over this strange new ability.