The second training arena of the Supreme Academy was larger than the public dueling grounds, built specifically for upper-tier sparring. Reinforced mana barriers surrounded the circular stone field, layered three times over to withstand domain-level collisions. It was quiet when Jin arrived, the morning light filtering through the translucent ceiling panels above.
Seraphina was already there.
She stood near the center of the arena, silver hair cascading down her back like a waterfall of polished moonlight. Her academy uniform was immaculate, fitted but elegant, the dark fabric contrasting against her pale skin and the faint frost that seemed to linger naturally around her presence. Her posture was relaxed, but not careless. One hand rested lightly on the hilt of her blade.
She did not greet him immediately.
She studied him.
"So," she said at last, voice calm, almost dangerously so, "my junior intends to defeat me."
Jin stopped a few steps away, offering a polite bow that held just enough mischief to irritate.
"I only said I would try," he replied. "Defeat is a strong word."
Her eyes narrowed slightly.
"You also said you would make me fall in love with you."
He smiled faintly. "Ambition keeps life interesting."
A faint chill swept across the arena floor.
"Draw your sword," she said.
The First ExchangeThey moved at the same time.
No countdown.
No signal.
Seraphina's Domain expanded instantly — not explosive, but absolute. Frost spiraled outward in layered waves, the air temperature dropping sharply as her S-Rank Plus Domain manifested with refined precision. The stone beneath Jin's feet frosted over in seconds.
His Ice Domain followed.
Smaller.
Less stable.
But structured.
The collision between the two domains did not explode outward violently; instead, it created a shifting boundary line across the arena, frost patterns forming and dissolving in complex overlapping geometries.
Seraphina moved first.
Her speed was not reckless — it was efficient. Each step was supported by frost reinforcement, allowing her to glide across the surface with minimal friction.
Her blade descended.
Jin activated Void Step instinctively.
Space shortened.
He vanished from the line of impact, reappearing three meters to her right.
But she had anticipated it.
Her blade shifted mid-swing, frost extending from its edge in a crescent arc that forced him to raise his own weapon defensively.
Steel met steel.
Cold erupted between them.
The impact vibrated through his arm.
She was stronger.
Not overwhelmingly.
But decisively.
Domain PressureHer Domain intensified subtly.
Not raw suppression — controlled energy regulation.
Jin felt it immediately.
His muscle efficiency dipped slightly.
Mana circulation thickened.
Every breath felt colder inside his lungs.
He responded by stabilizing his Ice Domain further, reducing thermal exchange in a narrow radius around his body.
But hers was superior.
More refined.
More mature.
She moved again.
This time, her blade carried layered frost compression — not freezing, but slowing molecular vibration along the arc of her strike.
He countered with Dimensional Collapse, compressing space along his blade to destabilize the trajectory.
Their techniques collided.
Space bent.
Frost shattered outward.
The arena floor cracked beneath the overlapping distortion.
For a moment, their faces were only inches apart.
Her eyes were calm.
Focused.
But beneath that—
There was something sharper.
"You're slower than you speak," she said quietly.
Jin exhaled softly. "I prefer to build suspense."
She pushed him back.
Heaven's White RequiemHe activated it.
A thin corridor of freezing suppression formed along his blade — Heaven's White Requiem.
She stepped into its path deliberately.
For a fraction of a second—
Her movement stalled.
Just as designed.
Jin advanced immediately.
But she reacted faster than expected.
Her mana flared sharply, breaking the freeze with brute refinement, her blade rotating upward in a tight arc that deflected his strike at the last possible moment.
The impact forced him backward three steps.
She did not chase.
"You learned something new," she observed.
"I had a good teacher."
Her lips curved faintly.
"That is unfortunate for you."
The Turning PointShe increased output.
Her Domain deepened.
Frost layered over frost, air density shifting under precise temperature control. The arena grew quieter as kinetic energy slowed within her radius.
Jin attempted to stabilize Stage IV.
For a brief instant, the faint outline of Abyss Severance formed along his blade — a thin dark channel where space itself weakened.
But instability surged immediately.
Spatial recoil vibrated violently through his arm.
His grip faltered for half a breath.
That was enough.
Seraphina stepped inside his guard.
Her blade stopped at his throat.
Cold metal resting lightly against skin.
Silence filled the arena.
Frost drifted between them like suspended dust.
"You are not ready," she said calmly.
Jin's breathing was steady despite the blade at his neck.
"I was close."
She studied him.
"You were reckless."
"Only slightly."
Her gaze lingered for a second longer than necessary.
Then she withdrew her blade.
The Domains dissolved gradually.
Warmth returned to the air.
AftermathHe rolled his shoulder slowly, easing the residual vibration in his arm.
"You're stronger than I expected," he admitted.
She tilted her head slightly. "You expected to win?"
"I expected to make it difficult."
"You did."
A pause.
Then, quietly—
"You adapt quickly."
He smiled faintly. "Are you worried?"
Her expression returned to calm composure.
"Not yet."
She turned to leave.
After three steps, she stopped.
"If you challenge me again," she said without looking back, "do not hesitate."
Her meaning was clear.
If he intended to use something dangerous—
He should commit fully.
Jin watched her walk away, silver hair catching light as frost melted beneath her steps.
He exhaled slowly.
His arm still tingled from spatial backlash.
Stage IV was unstable.
But closer.
Very close.
And next time—
He would not falter.