Chapter 15
"Thunderclap"
The Eastern Stand — Between Matches
The arena is still loud. The attendants have reset the ring for the third time — the stone floor scrubbed of the worst of the water from Match Two, the chalk lines freshened. The crowd is restless with the energy of people who have already seen two extraordinary things and are not ready to believe the afternoon is done delivering.
The twins are not talking.
This is unusual. Hiruma is always talking. But right now he is sitting with his elbows on his knees and his chin on his hands, staring at the empty ring below with the expression of someone running the last match back through their head on a loop.
Ayato is upright, hands on his legs, also quiet. His eyes are not on the ring. They are on the middle distance — the particular unfocused look of someone who is thinking at full speed about something that isn't in front of them.
HIRUMA
(Eventually.)
"Wind Spear."
AYATO
(Coming back from wherever he was.)
"Yes."
HIRUMA
"She compressed the wind into herself and used the dive as the delivery. The direction she was already moving became the force of the hit."
AYATO
"That's right."
HIRUMA
"You're thinking about what your version of that looks like."
Ayato looks at him.
AYATO
"...Yes."
HIRUMA
(Nodding, looking back at the ring.)
"Me too. Mine looks different."
They don't elaborate. They don't need to.
SENRI
(Quietly.)
"The next match is about to start."
They both straighten. Eyes forward.
The Ring — Third Match Announcement
ANNOUNCER
"THIRD MATCH — NUMBER TWO versus NUMBER SIX!!"
Number Two has been visible in the preparation areas during the break — a lean man, tall enough to stand out even at a distance, with the loose-limbed ease of someone who treats their body as a precision instrument and keeps it tuned. No blade. No visible magic preparation. Just a man in plain clothing with his hands in his pockets right up until the moment he walks through the gate.
Number Six: the flame swordsman. He enters last, same pace as always — unhurried, blade sheathed, eyes already on his opponent.
The contrast between them is immediate. The tall man is already moving — bouncing slightly on his heels, rolling his neck, filling the space around himself with restless energy. The swordsman stands still.
HIRUMA
"Which one is the magic user?"
AYATO
"The swordsman. Number Six. The tall one — I didn't see him use any element in the royale."
HIRUMA
"A fighter with no magic in a magic tournament?"
SENRI
"Watch. Don't assume."
The tall man looks across the ring at the swordsman. A slow, top-to-bottom look. Then his face does something — a grin that doesn't carry any real warmth.
NUMBER TWO — THE TALL MAN
(Casual, loud enough to carry.)
"A swordsman. In a mage tournament."
He lets the word hang.
NUMBER TWO
"You know — I respect the commitment. Bringing a blade to this. Very traditional. Very... quaint."
A ripple of amusement through the crowd. The swordsman doesn't respond.
NUMBER TWO
"How many tournaments have you won with that thing? The sword. Go on, I'm curious. Must be at least one."
The swordsman looks at him. His expression is the same as when he entered the ring. The same as when he eliminated three fighters in the royale. The same, and completely unreadable.
NUMBER TWO
(To the crowd, conspiratorially.)
"He's thinking about it. That's not a good sign."
More laughter. Hiruma watches the swordsman's face.
( He's not reacting. Not because he can't — because he's decided not to. He's already in the fight and the fight hasn't started yet. )
The tall man turns back and rolls his shoulders. The grin stays. He is, by every visible measure, completely unbothered by the man across the ring.
The swordsman draws his blade. Still says nothing.
ANNOUNCER
"BEGIN!!"
The Ring — Match Three
Number Two comes in immediately. Not a cautious opening — a charge, full speed, the long legs eating up the distance between them in four steps.
CRACK—!! CRACK—!! CRACK—!!
Three fast strikes — a jab, a cross, a hook aimed at the swordsman's guard arm. Fast. Very fast. Faster than the size of the man suggests is reasonable.
The swordsman steps back. Uses the flat of his blade to deflect the third strike, redirecting the hook wide.
CLANG—!!
The tall man doesn't slow down. He's already resetting, already coming back — a combination this time, four strikes in sequence, switching levels, going low then high then low again. The footwork between strikes is smooth and exact. This is not someone who learned this recently.
CRACK!! CRACK!! CLANG!! CRACK!!
The swordsman absorbs and deflects, giving ground steadily, not rushing the counter. The crowd starts to murmur — the tall man is clearly the aggressor and showing no sign of slowing.
HIRUMA
"He's really fast. And his punches are—"
He stops.
HIRUMA
"Wait. That should have hurt."
AYATO
(Leaning forward.)
"What?"
HIRUMA
"The swordsman caught one of those with the flat of his forearm. Not the blade — his actual forearm. That should have hurt him. He didn't react."
They both watch more carefully.
CRACK!! CRACK!! CRACK!!
Another combination. This time the swordsman catches one with his free hand — palm open, taking the punch directly. And then — the thing Hiruma noticed — he uses the grip to redirect rather than absorb. The force lands. He doesn't flinch.
AYATO
(Very low.)
"He's blocking blade strikes with his bare hands too. Look — Number Two just took a sword flat to his forearm and didn't even look at it."
The swordsman fires a flame burst along the blade — a sharp horizontal line of fire aimed at the tall man's chest.
FWOOM—!!
The tall man raises his forearm. The flame hits it. He grimaces — the first sign of discomfort — but he doesn't move from the spot and his arm doesn't drop.
HIRUMA
"Something is wrong. That flame burst should have—"
SENRI
(Quietly, already watching it.)
"Nothing is wrong."
They look at him.
SENRI
"Watch the light around his skin. Right where the flame hit. Look carefully."
They look. At first — nothing. Then, against the ring floor's shadow, visible for just a second before it normalises: a faint shimmer. Like heat haze, but controlled. Tight to the skin. Moving with him.
HIRUMA
"What is that?"
[REINFORCEMENT MAGIC] An advanced technique independent of element type. The practitioner channels their magic power inward rather than outward — not projecting it as an attack, but layering it across the surface of their own body as a rigid, invisible shell. The result: dramatically increased physical resilience. Strikes that would break bone cause bruising. Blades that would cut skin slide or chip. Fire that would burn leaves only discomfort. Reinforcement requires exceptional control — the layer must be consistent, thin enough to maintain without exhausting the user's reserves, and renewed continuously throughout a fight. Most practitioners take years of battle experience to develop it. It is invisible to the untrained eye.
SENRI
"He is using his magic to strengthen his body from within. Not to attack — to armour himself. Every punch he throws has his full physical force behind it without worrying about what it connects with. And everything that lands on him costs more than it should."
HIRUMA
"He's walking through fire because his magic is absorbing it?"
SENRI
"Reducing the damage. Not eliminating it — he felt that flame strike. But not enough to break his rhythm."
AYATO
"So the swordsman has been building his read of the match against an opponent whose actual resilience he doesn't know yet."
SENRI
"He's recalibrating. Watch his footwork — it changed three exchanges ago. He stopped pressing and started measuring."
Ayato looks. It's true. The swordsman is giving slightly more ground than strictly necessary on each retreat. Not giving up space — creating it. Thinking.
( He doesn't know the limits of the reinforcement. So he stopped attacking into it and started testing it. Every flame strike since that forearm block has been slightly different — angle, intensity, distance. He's mapping the invisible shell. )
The Ring — Match Three Continues
The tall man has read the change in the swordsman's pace — and decides, correctly, that the time for information-gathering favours him more than his opponent.
CRACK!! CRACK!! CRACK!! CRACK!! CRACK!!
He pushes. A sustained offensive — the longest unbroken combination of the match, driven by the confidence of someone whose body is armoured and whose hands are faster than most blades. He's not looking for a single knockout blow. He is eroding. Testing whether the swordsman's footwork has a limit.
The swordsman retreats across the ring. Deflecting, redirecting, flame bursts fired in response — each one absorbed or absorbed-and-redirected by the reinforcement. He reaches the middle of the ring and stops retreating.
CLANG!! FWOOM!! CRACK!! CLANG!!
They exchange in place. Four, five, six hits landed on both sides — the tall man taking flame and blade flat, the swordsman taking fists that hit like hammered stone. Neither goes down.
The tall man grins. Even mid-fight. Even at full exertion, the grin is still there — the expression of someone who believes they have already won and is simply waiting for the other person to realise it.
NUMBER TWO
(Between strikes, breathing hard but controlled.)
"How long are you planning to stay up?"
No answer. The swordsman's face is exactly the same as when he walked in.
NUMBER TWO
(Pressing harder.)
"You're good with that blade. Really. But good isn't—"
He goes for it. The thing he's been building toward — not a combination this time but a single committed punch, his best one, his full body weight rotating behind it, aimed directly at the swordsman's sternum. No feint. No setup. Just the most powerful strike a reinforced body can generate, delivered straight, because the straight shot is always the hardest to read when it actually comes.
WHOOOM—!!
It is very fast.
And the swordsman does not move.
He closes his eyes.
...
One second. The punch is still traveling. The tall man is fully committed, weight forward, the decision already made and irreversible.
The swordsman raises his free hand. Open palm. No flame. No fire. His eyes still closed.
... ...
The air between his palm and the incoming fist changes.
Not heat. Something else. Something with no colour and no sound right up until the moment it has both.
FLAME SWORDSMAN — NUMBER SIX
(Quietly. Completely calm. Eyes still closed.)
"Thunderclap."
[ THUNDERCLAP ]
CRACK—!!!!
Lightning. Not fire. Not the flame that has been his signature through the entire battle royale and the opening of this match. Lightning — white, instantaneous, branching from his open palm outward in all directions at once, concentrated at its source into a single overwhelming discharge that has nowhere to go except through the tall man who is two feet away and fully committed and has absolutely no time to redirect or reinforce against something that moves this fast.
KRAAAACK—!!!!
The tall man's scream is involuntary. The reinforcement does something — it does not do enough. Lightning is not a blade to be dulled or a flame to be reduced. It is electricity moving through conductive matter at a speed that treats every intervening layer as a suggestion.
CRASH—!! THOOM—!!
He hits the ring floor. He hits it hard. He does not bounce. He does not get up.
He is, very clearly, not going to get up.
...
The arena holds its silence for a full two seconds.
Two full seconds of an entire crowd processing what they just saw.
ROOAARRR—!!!!!
The sound breaks like the wave from Match Two — total, building, the standing crowd noise that arrives when something has happened that people will describe to other people for years.
ANNOUNCER
(After a beat — even he needed a moment.)
"FIGHTER SIX — ADVANCES!! Number Two is — is eliminated!!"
The swordsman opens his eyes. He looks at the tall man on the ground. He sheathes his blade.
He walks out of the ring.
No acknowledgment of the crowd. No changed expression. The same pace as when he walked in.
The Eastern Stand — Immediately After
Hiruma is not moving.
He is sitting exactly where he was when the lightning hit. His hands are on his knees. His eyes are on the ring. His mouth is closed — which, for Hiruma, is the clearest possible signal that something significant has happened.
Ayato watches him for a moment. Then looks back at the ring.
...
AYATO
(Quietly.)
"Hiruma."
Nothing.
AYATO
"Say something. I know you want to."
A long pause.
HIRUMA
(Very low. Very un-Hiruma-quiet.)
"He kept it hidden the whole time."
AYATO
"Yes."
HIRUMA
"Through the entire royale. Through the opening of this match. All those flame strikes — every time he used fire, he was showing fire. Making the opponent believe fire was everything he had."
AYATO
"And then he let the tall man commit completely to a single straight punch—"
HIRUMA
"—and showed him what was actually there."
He finally moves. Sits back. Exhales once, long and slow.
HIRUMA
"He's a fire user who reached high-class mastery. And the variation that came out of it was lightning."
SENRI
"Correct. Fire becomes lightning at high-class. He has both. He chooses which to show."
HIRUMA
(Looking at his own hands — both of them, the dual blade hands.)
"Lightning."
He says it the way Ayato said Wind Spear. Like it's the name of something that belongs to him even though he doesn't have it yet. Like the word fits a shape that's already there.
AYATO
( He was inspired by the wind girl. I could see it. )
( But that — the lightning — that's something else. That's the version of inspired that goes quiet. )
Ayato looks at Hiruma's face. It is still calm. Still processing. Behind it — the particular light of someone who has just seen their own future and recognised it.
AYATO
"Two swords. Two channels. Fire on one, lightning on the other."
Hiruma looks at him.
HIRUMA
(A long pause.)
"...How did you know?"
AYATO
"Because it's the most Hiruma thing I've ever imagined."
A beat. Then Hiruma's mouth does the small movement that is halfway between a smile and something more serious.
HIRUMA
"Wind Spear. For you."
AYATO
(Quietly.)
"Something like it. I don't know the element yet."
HIRUMA
"But something like it."
AYATO
"Something like it."
They look at the ring. The attendants are helping the tall man to a recovery area — he's conscious now, sitting up, being checked. The reinforcement took the edge off the lightning but not enough. He'll be fine. He'll also be telling this story for a long time.
The ring is being reset. Again. The tournament continues.
SENRI
(After a moment — not immediately, letting them sit with it.)
"You understand what you saw today."
It's not a question.
HIRUMA
"The ceiling."
SENRI
"Tell me what you mean by that."
HIRUMA
"We're nine years old. We've been training for almost two years. We're stronger than most kids our age and we can hold our own against grown men in a fight."
"And every single thing we've watched today — the golem, the wave, the flight, the Wind Spear, the lightning — every one of those is a level of mastery that requires years beyond where we are. Decades, maybe."
He looks at the ring.
HIRUMA
"That's the ceiling. And it's so far above us that I can barely see it."
SENRI
"And?"
Hiruma looks at him. Directly. The full, serious version of his face — the one without noise.
HIRUMA
"And we have to train harder than we ever have if we want to reach it."
SENRI
(A pause. Then:)
"Yes."
"That is exactly correct."
He looks between them both.
SENRI
"You saw today that there is no ceiling beyond which people stop growing. Every fighter down there has a ceiling of their own they are still pushing against. What you saw is not the limit of what is possible — it is simply the limit of what is visible from here."
"When you awaken. When your elements come in. The real work begins. Not the preparation work — the actual construction. Building what you are going to become from the ground up, the way those fighters did."
"It will take everything you have. And then it will ask for more."
Neither twin says anything immediately. The noise of the crowd fills the silence — easy, comfortable noise, the crowd between matches again, the tournament still going, the world unconcerned with the enormity of what two nine-year-olds are quietly deciding.
HIRUMA
(Eventually, simply.)
"Then we give more."
AYATO
(Also simply.)
"Yes."
Senri looks at them.
He says nothing else.
He doesn't need to.
The tournament continues. Five more matches to go. The twins watch all of them — every one — with the kind of attention that has stopped being casual observation and become something else entirely.
Study. Active, hungry, relentless study.
Five months until awakening.
Two boys who arrived at the tournament not knowing what the ceiling looked like.
They know now. And they have already decided what to do about it.
— * —
End of Chapter 15