The frost arrived before Todoroki did.
It came along the concrete in the way that weather moved except faster and intentional — a creeping white film that spread from the staging corridor entrance across the arena floor and climbed the base of the side barriers and transformed the space between the two starting markers into something that belonged in a different season than late May. The temperature dropped four degrees in the time it took Yami to walk from his side of the staging entrance to his marker, and his breath was visible by the time he got there.
The ribs registered the cold immediately. Not sharply — more the way old injuries registered barometric changes, a dull insistence that translated into: this is going to be a problem inside thirty seconds.
He'd wrapped them tight in the staging area, which helped the structural problem and did nothing for the temperature problem. Two hours between the Deku fight and now, during which Recovery Girl had checked his ribs, declared them bruised with possible hairline fractures, offered pain management, and he'd declined on the basis that numb ribs were worse than painful ones in a fight where he'd need to know what was happening to his body.
The decision was already looking questionable.
Todoroki took his marker at the opposite end of the ring. He was looking at Yami with the focused assessment expression — the one that had appeared in the locker room after the Battle Trial and on the observation catwalk at USJ and across twenty meters of obstacle course that he'd turned into a glacier. The expression filed things. He'd been filing Yami for months.
Reciprocal, Yami noted.
In the stands: Class 1-A, identifiable by the section Aizawa had pointedly not reserved for them but which they'd colonized anyway. Kirishima at the front. Jiro with her arms crossed. Momo with her hands in her lap and her eyes moving between Yami and the arena floor in the way they moved when she was constructing a model from available data. Tokoyami at the edge of the group, Dark Shadow a quiet presence that he'd later learn had registered the temperature drop before any human in the section.
Further up: Endeavor's flame, visible even at this distance, permanent and contemptuous of the arena's general color palette.
Further still: a man who was not large and not healthy and who had his hands on the armrests of the VIP box in the way he'd had them on the armrests of the VIP box for the Deku fight, which was the way that communicated structural tension distributed across a grip.
"BEGIN!"
The glacier hit the left side of the arena first.
He was already going right — not fast, not the committed sprint that looked like an obvious tell but was actually the correct choice when the alternative was being encased in something that would require the rest of his afternoon to thaw out of. The blind spot on Todoroki's right-side ice sweep was exactly where meta-knowledge said it was: a two-meter gap at his four o'clock where the sweep's geometry required Todoroki to pivot and the pivot introduced a half-second window.
He closed distance through the window.
Two hits: a left to Todoroki's guard arm, a right to his midsection. Not OFA-enhanced — 3% was what the ribs could accommodate, and he didn't know yet how far this fight was going to need to go, which meant conservation was the correct approach until he understood the ceiling.
Todoroki absorbed both hits and stepped back and created a secondary ice wall at his feet that launched from the ground and forced Yami back through pure momentum differential. The ice wall did not make contact with him directly — he got clear of its path — but the wake of it hit his left side and the cold was sharp enough to produce the specific unpleasantness of a thousand microscopic ice crystals against exposed skin.
His fingers went numb.
Not all of them — the right hand, the one that had been in contact with the ice barrier on the dodge. He flexed it. The response was slower than usual, the tendons communicating the temperature complaint through whatever mechanism sensation used when it was being asked to function at a reduced capacity.
Four fingers operational on the right hand, he noted. File it.
Another ice wave — bigger, wider, Todoroki's output increasing in the way it had increased in the cavalry battle and the obstacle course, each successive deployment building on the last like he was working through warm-up states toward something. The wave covered two-thirds of the arena floor. Yami went up — grabbed the barrier wall at the arena's side, three seconds of grip that his right hand barely managed, and let the wave pass under him before dropping back to the reformed frost-covered floor.
The floor had turned into a skating rink.
His footing adjustment consumed the next eight seconds entirely.
Todoroki waited. He wasn't advancing — he was letting the arena architecture work for him, letting the temperature drop and the ice coverage and the accumulated disadvantage build until the fight became a matter of endurance against environment.
He's going to win that way, Yami confirmed. The fight as currently constituted ends with me frozen to the wall or slipping badly enough that he can close and finish it cleanly. This isn't working.
He stopped moving.
The ice wave had been building for his next dodge — Todoroki had read his exit pattern and was creating it at the angle that cut off the right-side movement he'd been defaulting to. It hit him in the chest.
The fragment engaged. Twenty percent absorption, which left eighty percent of a significant-mass ice strike to distribute across his chest and right shoulder and the ribs that had been expressing opinions for two hours. He staggered. Stayed standing. The cold on the inside was worse than the impact — the temperature penetrating through the costume and the wrap and the skin.
He breathed. The breath was visible.
Todoroki had paused.
"You're fighting with half a toolkit," Yami said, and his voice was level because he'd decided it was going to be level, "against someone who's using everything he has."
Todoroki's expression didn't change. But his left hand moved slightly.
"That's not rejecting your father." He let the cold settle into his bones for the duration of the sentence. "That's letting him win."
The left side of Todoroki's torso produced steam.
Not heat — not yet. Steam, the specific moisture response that preceded a significant temperature change, the water vapor of the air responding to something building below threshold. Yami had read about it. He was seeing it now for the first time and the sensation in his chest was something he didn't have a precise label for, except that it was the sensation of watching a thing begin.
Another ice wave. Larger than the previous one, born from something that was not tactics — the wave had the quality of a force expression that was bypassing strategy, going directly to output. He dove sideways, took the edge of it on his right calf, and the numb fingers of his right hand found the barrier again.
"Every fight you win with just ice—" He was in contact with the wall, right shoulder pressed to it, and the cold from the wall and the cold from his right calf and the cold from the ambient arena temperature were three separate complaints his body was managing simultaneously. "He takes credit for the fire you didn't need to use."
The steam became heat.
The temperature in the arena, which had been dropping for three minutes, stopped dropping.
Todoroki's left side.
The fire was not graceful. That was the thing that the anime version couldn't fully communicate — the fire that came from a person who had spent ten years refusing to touch it was not controlled output, not the clean flamethrower geometry that Endeavor deployed. It was something that had been held down for a decade erupting into open air for the first time in a public space, and the wave of heat it displaced hit Yami across the arena like standing too close to a furnace.
The ice on the arena floor melted in three seconds. Steam rose from the ground. The temperature swing was twenty-something degrees in the span of one breath.
Todoroki was looking at his own left hand with an expression Yami had not seen on him before. Not the assessment expression. Something rawer — surprise without the assessment overlay, the specific look of a person encountering something familiar in an unfamiliar way.
In the audience: Endeavor standing. Yami didn't look directly at him, but the peripheral registered it.
The combined attack came without announcement.
Ice from the right. Fire from the left. Not a combined technique — not yet, Todoroki hadn't developed that, this was two separate outputs firing at the same moment, and the combined thermal displacement of both simultaneously was what Yami had planned to deal with and had not, on reflection, fully understood until it was happening.
He was mid-dodge when the heat caught his left arm and the ice caught his right foot and the competing temperatures and the competing forces created a vector that was not any direction he had intended.
He hit the arena wall. Full contact — right shoulder, right ribs, the ribs that had already filed two hours of complaints and were filing a significant new one now. The fragment maxed out on the impact. It absorbed its percentage and left the rest to the body, and the rest was too much. Something on the right side gave.
Not broke. Not cleanly. Two of them, somewhere in the lower rack, insisting that whatever had just happened was outside the parameters they'd been maintaining.
He went out of bounds on the wrong side of the wall.
"Winner: Todoroki Shoto, Hero Course Class 1-A!"
The crowd's response was not for the victory.
The crowd's response was for the fire — for a boy who had stood in an arena in front of his father and every camera in Japan and used the thing he'd refused to touch for ten years, and the response was the specific quality of eighty thousand people witnessing something they understood was important without knowing the full context of why.
Yami lay on the concrete outside the ring and the stadium sky above him was the particular blue of late May in the early afternoon, and the cracked ribs on his right side were providing commentary in a register that did not admit of distraction.
He let himself stay on his back for three seconds.
That one was real, he thought, and meant it.
Cementoss was already reshaping the arena walls around him. One of the event staff appeared at his shoulder with the expression of someone trained for this kind of outcome. Yami put his hand up to indicate he was not requesting assistance, which was only partially accurate, but the alternative was being helped upright in front of cameras, and five place was one thing, medically assisted off the arena floor was a different category of footage entirely.
He sat up on his own.
The ribs confirmed the cost of this decision. He sat there for a moment and breathed through it, the concrete warm under his palms from the ambient temperature the fight had generated, and Recovery Girl would be in the medical tent and she was going to have opinions.
Above him, in the VIP box, the skeleton of a man had both hands pressed flat on his thighs now instead of gripping the armrests.
Two rows down from the VIP section, separated by the audience density, Endeavor's flame burned steady, and the expression under it was not what a person would expect from watching his son win a semifinal.
It was the expression of someone looking at a bronze-placing fifteen-year-old who had just successfully social-engineered Todoroki Shoto into opening his fire.
Recovery Girl healed the ribs with the specific economy of someone who had been doing this for decades and had calibrated her patience for student recklessness down to the correct minimum. The kiss landed on his forehead. The healing came in the fatigue-wave that he knew now and still did not enjoy — the sensation of his body's resources being conscripted for an accelerated process.
"Two cracked," she said. "Not broken. Next time—"
"I know."
"You don't know," she said. "If you knew, you wouldn't be in this tent for the third time this school year." She handed him a nutrition bar from the drawer that was specifically the drawer for patients who needed caloric replacement after healing. "Eat that."
He ate the nutrition bar. It tasted like compressed grain and the manufacturer's best attempt at chocolate flavor, which was a category of food experience he'd had enough of to have developed opinions about. He ate it anyway because his body had used resources he needed to replace.
The bronze medal was on the field table beside his costume jacket, set there by whoever had brought it in from the ceremony he'd been too medically occupied to attend. It caught the tent's overhead lighting — warm metal, the weight of it visible even before he picked it up.
He picked it up.
It had the specific temperature of a thing that had been sitting in late May air for thirty minutes — slightly warmer than body temperature, the warmth of ambient outdoor existence stored in metal. He held it for a moment and thought about what category of thing it was: a consequence of planning and execution and six months of accumulated choices in a world that was not his, delivered in the form of a metal disc on a ribbon.
Then he put it around his neck because there was nowhere else to put it right now and the staging area would be the next stop.
The medal ceremony staging area had cameras. He kept the expression he'd practiced — the slightly-less-than-fully-satisfied expression of someone who'd genuinely wanted the semifinal outcome to go differently. It wasn't difficult. The ribs helped with the general presentation.
In the peripheral position available to the cameras if they had bothered — and at least one of them had bothered, he'd learn later — Endeavor's eyes tracked him from the moment he appeared in the staging area until the moment the ceremony concluded.
Not with pride. Not with contempt.
With the focused assessment expression of someone who had just observed something of interest and was deciding what to do with the information.
The interest had nothing to do with the medal around Yami's neck and everything to do with a fifteen-year-old who had stood inside Todoroki Shoto's full output and kept talking.
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