Dawn broke over the Heavenly Flow Sect with a restless wind sweeping across the mountain peaks.
The sect was no longer peaceful.
Ever since news of the Shadow Abyss Cult spread, the atmosphere had grown tense. Disciples trained harder. Elders strengthened formations. Protective barriers surrounding the sect glowed brighter than ever.
War had not yet arrived.
But its shadow was already here.
Seo Joon stood before the Inner Court Training Grounds, a vast circular arena carved directly into the mountain itself. Ancient formation symbols covered every inch of the stone floor, glowing faintly with protective energy.
This was where the sect's strongest disciples were forged.
And today—
He would be tested.
Hundreds of inner disciples had gathered around the arena, their eyes filled with curiosity, jealousy, and open hostility.
The rumors had spread quickly.
The newcomer protected by the sect master.
The boy who controlled forbidden power.
The disciple who defeated an inner court member upon arrival.
Some wished to witness his strength.
Others wished to break him.
A tall elder stepped forward.
"Seo Joon," he announced, his voice echoing across the arena, "before receiving full protection and resources of the inner court, you must prove your capability."
A ripple of excitement spread through the crowd.
The elder continued.
"You will face three inner court challengers."
"No killing."
"No external interference."
"Begin."
The arena trembled as the first challenger stepped forward.
A young man with sharp features and burning eyes. Lightning energy crackled around his body, splitting the air with sharp sounds.
"Inner Disciple Ra Minho," he declared coldly.
His cultivation surged outward — fierce and aggressive.
"I will test whether you deserve your reputation."
Without warning, Ra Minho moved.
Lightning exploded beneath his feet as he shot forward like a thunderbolt. His palm struck toward Seo Joon's chest with overwhelming speed.
The attack distorted the air itself.
Gasps rose from the spectators.
Too fast.
Seo Joon did not retreat.
The Abyssal Heart pulsed calmly.
Dark energy flowed along his arm like silent water. He raised his hand and intercepted the strike.
Lightning and darkness collided.
A violent shockwave erupted.
Stone beneath their feet shattered.
Ra Minho's confident expression faltered.
His lightning energy began weakening the moment it touched Seo Joon's aura — slowly devoured by the quiet darkness.
"What… is this?"
Seo Joon stepped forward.
One motion.
One strike.
Ra Minho was thrown across the arena, crashing into the barrier before collapsing unconscious.
Silence filled the grounds.
The battle had ended instantly.
The second challenger stepped forward immediately.
A woman wielding twin spirit blades, her movements graceful and precise like flowing water. Her sword intent filled the arena with sharp pressure.
She did not waste words.
Her blades flashed.
Dozens of sword lights rained toward Seo Joon like a storm.
This time, Seo Joon moved.
His body flowed between the attacks with unnatural calm, each step precise, each movement efficient. Black energy trailed behind him like shadows following their master.
He appeared before her in an instant.
Her blades froze mid-strike.
A gentle tap from his finger disrupted her energy flow.
Her weapons fell from her hands.
She collapsed, defeated without injury.
Shock spread through the spectators.
This was not brute force.
This was absolute control.
The final challenger stepped forward slowly.
Unlike the others, his aura was heavy and steady, like an immovable mountain. His cultivation surpassed the previous two by a large margin.
"Inner Court Rank Seven — Kang Daejin."
A murmur spread.
Even among inner disciples, this was a high position.
His gaze was calm but filled with determination.
"I will not underestimate you."
The ground cracked as Kang Daejin unleashed his full cultivation. Golden energy surged around his body, forming a massive defensive aura.
He attacked.
A single punch.
Simple.
Overwhelming.
The air itself collapsed before the strike.
Seo Joon's eyes sharpened.
For the first time, he released more of the Abyssal Heart's power.
Darkness spread around him like a rising tide.
The two forces collided.
A massive explosion shook the arena.
Dust swallowed everything.
When the smoke cleared, the entire arena floor had collapsed into a deep crater.
At its center—
Seo Joon stood unmoving.
Kang Daejin knelt before him, blood at the corner of his mouth, unable to continue.
He looked up with disbelief.
"You've already surpassed this level…"
The elder overseeing the trial raised his hand.
"Enough."
His voice carried clear astonishment.
"Seo Joon passes."
The arena erupted in noise.
Fear.
Respect.
Envy.
From that moment, none could deny his position.
High above the arena, hidden among the clouds, the sect master observed quietly.
"He grows faster than expected," one elder said.
The sect master nodded slowly.
"But so does the danger surrounding him."
That night, Seo Joon returned to his residence within the inner court.
For the first time since entering the sect, the Abyssal Heart felt completely stable — its energy flowing in perfect harmony with his cultivation.
Yet deep within his consciousness, he sensed something stirring.
A deeper layer of power.
A sealed potential waiting to awaken.
Far away, within the temple of the Shadow Abyss Cult, the cracked mirror flickered again.
Seo Joon's image grew clearer.
His aura stronger.
The shadowed leader spoke softly.
"The vessel advances rapidly."
A chilling smile spread beneath the darkness.
"Prepare the first harvest."
Back at the Heavenly Flow Sect, Seo Joon stood beneath the night sky, unaware that a greater trial was already approaching.
His strength had been acknowledged.
His position secured.
But the path ahead would soon demand far more than power.
It would demand sacrifice.