"The cruelest prison is not built around the body, but within it; for when a soul becomes the lock, even freedom becomes a wound."
— Ancient Heavenly Proverb
The Old Roots darkened.
Mother Nature stood motionless before the floating Sky Spark, her hand hovering inches from its trembling light. The ancient cave around her had fallen into a silence deeper than sleep. Roots older than Heaven's throne coiled along the walls, their surfaces glowing faintly with sky-blue veins.
Inside the spark, Kanetaro's form flickered.
Not the king who had returned to the battlefield.
Not the shadow wearing his face.
Her child.
His eyes held exhaustion no body could survive.
"Then watch carefully, Mother," Kanetaro said, his voice passing through the roots instead of the air.
The Sky Spark pulsed once.
"This is where I lost myself."
The chamber dissolved.
Mother Nature felt the Old Roots vanish beneath her feet. The petrified walls stretched into streaks of blue light, the roots unraveling like threads pulled from a divine tapestry. The world turned weightless, soundless, shapeless.
Then the memory opened.
Kanetaro stood between realms.
Not in Heaven.
Not in the Energy Realm.
Between them.
A place that should not have existed, and therefore did not belong to any law.
He had found it after years of searching through the hidden frequencies of creation: a narrow scar between Heaven's authority and Energy's infinite current. It was neither land nor sky, neither void nor sanctuary. The space stretched like a silver-black horizon without end, filled with floating fragments of broken light. Rivers of raw energy moved silently through the air, but no current touched him unless he allowed it.
No god could sense him there.
No divine eye could watch him.
No messenger could reach him.
Not Knowledge.
Not Mother Nature.
Not Kaito.
Not Daniel.
Not even Energy, unless Kanetaro chose to disturb the frequency first.
It was the one place where the Sky could disappear.
And so Kanetaro had disappeared.
He stood barefoot upon a platform of condensed pressure, his midnight-blue armor set aside, his upper body wrapped only in torn training cloth. His breathing was steady. His eyes were closed. Around him floated weapons made from Energy's Forge—katana, spear, bow, shield, chain, hammer, and countless nameless shapes that dissolved and reformed with every breath.
He lifted two fingers.
Reality split.
A thin wound opened in the air, white-violet light spilling from within it. Kanetaro reached into the rupture and drew out a blade that had no metal, no edge, no earthly weight. It existed because he commanded energy to remember the idea of sharpness.
He swung.
The blade cut through three layers of space and vanished before the fourth.
Kanetaro exhaled.
"Too unstable."
He opened his hand, and the broken energy returned to him like mist.
Again.
Reality ruptured.
This time he formed a spear, then dissolved his body into gas as he thrust forward. His particles scattered around the weapon, then reformed behind it. The spear twisted midair, splitting into chains before becoming a shield dense enough to bend the current flowing around him.
Solid.
Liquid.
Gas.
Energy.
Forge.
Resonance.
Sky.
He repeated each transition until thought no longer stood between intention and motion.
A lesser warrior moved after deciding.
Kanetaro moved while decision was still being born.
He struck the empty air, and the space before him folded inward.
He turned liquid to avoid the recoil.
He became gas to disperse the pressure.
He reformed solid with all his mass condensed into one fist and punched downward.
The platform beneath him cracked.
Then healed.
Kanetaro lowered his arm, breathing hard.
A faint smile touched his lips.
"Better."
But the smile faded quickly.
In that hidden place, without Heaven's voices and without war's noise, silence became honest.
And honesty brought pain.
Riya.
Her absence waited inside every pause.
No matter how far Kanetaro stretched his senses, he could not find her. Elyndor's prison remained sealed beyond his reach, hidden behind a dimension designed for isolation. He had trained until his body forgot exhaustion, until his soul learned to listen to atoms, until reality itself opened when his fingers moved.
Yet he still could not reach her.
That failure burned deeper than any wound.
Kanetaro closed his eyes again.
"Power without direction is vanity," he whispered.
He lifted his hand toward the empty horizon.
The Sky Spark within his chest pulsed faintly, answering him.
He was not training to become stronger for pride.
He was training because the next time he stood before Elyndor, hesitation would cost someone's life.
He drew another breath.
The locket at his chest grew cold.
Kanetaro opened his eyes.
For a moment, he felt something beneath the rhythm of his own power.
A listening silence.
He looked down at the tarnished locket.
The seal remained closed.
Still, something behind it watched.
Kanetaro's gaze hardened.
"Stay asleep," he said quietly.
The silence did not answer.
Then a voice spoke behind him.
"How touching."
Kanetaro turned instantly.
Storm-Bringer formed in his hand before the motion completed, white lightning crawling along its edge.
Elyndor stood several steps away.
No portal had opened.
No energy had shifted.
No warning had come.
He simply stood there, calm and untouched, his expression carrying the same quiet certainty as the day he took Riya.
Kanetaro's eyes narrowed.
"No one can enter this place."
Elyndor looked around with mild interest.
"Correct."
Kanetaro tightened his grip.
"Then how are you here?"
Elyndor's gaze returned to him.
"You still think walls matter."
The words were soft.
That made them worse.
Kanetaro's aura rose slowly, controlled but dangerous. "If you came to speak philosophy, choose fewer words. I am not in the mood."
"You never are when the truth approaches," Elyndor replied.
Kanetaro vanished.
The space where he had stood cracked from the force of his movement. He reappeared before Elyndor, katana already descending.
The blade struck empty air.
Elyndor stood behind him.
Not faster.
Earlier.
Kanetaro twisted, shifting half his body into liquid as a black thread passed through the space his ribs had occupied. He reformed mid-spin and hurled three forged daggers from a rupture at his side.
Elyndor lifted one hand.
The daggers stopped.
Not blocked.
Their consequence was removed.
They fell apart as though they had never been meant to reach him.
Kanetaro landed several meters away.
His expression sharpened.
"You still move like a coward hiding behind cause and effect."
Elyndor tilted his head slightly.
"And you still mistake emotion for courage."
Kanetaro's eyes darkened.
Elyndor raised two fingers.
The air between them rippled.
A vision opened.
Kanetaro froze.
Riya hung in the center of a pale golden chamber, chained by white bands of light around her wrists and ankles. Her head was lowered. Her hair shadowed her face. The paradise around her remained beautiful—too beautiful—its lake smooth, its sunset perfect, its flowers arranged with cruel precision.
But she was bound.
Motionless.
Kanetaro's breath stopped.
Elyndor watched him carefully.
"There," he said. "The king disappears."
Kanetaro's jaw clenched so hard his teeth hurt.
"Release her."
"She chose to enter my realm," Elyndor said calmly. "You know that, don't you? She is clever. Brave. Unreasonably stubborn."
Kanetaro's lightning flared.
Elyndor continued, voice quiet.
"And yet all clever things become simple when chained."
Riya stirred faintly in the vision.
Her face lifted just enough for Kanetaro to see the mark across her cheek.
Something inside him cracked.
Not the seal.
Not yet.
His composure.
"Elyndor."
The name came out low.
Almost gentle.
Elyndor's eyes remained cold.
"Yes?"
Kanetaro looked at him.
There was no humor now.
No dry remark.
No kingly restraint.
Only the boy raised by forests, the warrior who had once thrown himself into death to end a war, the man who had been forced to watch the person he loved vanish into darkness.
"I am going to tear that realm open," Kanetaro said. "Then I am going to tear you apart."
Elyndor's expression did not change.
"Good."
Kanetaro charged.
Reality screamed around him.
He ruptured the space beside his arm and dragged an enormous spear from Energy's Forge, its blade burning white-violet. His body flickered through states as he moved—solid for force, gas for speed, liquid to bend around invisible threads. He crossed the impossible distance between them in less than a heartbeat.
Elyndor did not dodge.
He opened his palm.
"Causality Lock."
Kanetaro's spear stopped an inch from Elyndor's throat.
His body froze mid-charge.
Not physically.
Worse.
Every possible result of his movement had been locked into stillness.
His muscles strained. His energy surged. The Forge rupture widened behind him, spilling raw power into the space between realms. But none of it advanced.
Elyndor stepped closer.
Kanetaro's eyes burned with fury.
"What did you do?"
"I gave your heart a direction," Elyndor said. "Then I made the destination a cage."
Thin black lines appeared around Kanetaro's body.
Not chains.
Threads.
They wrapped around his wrists, shoulders, throat, chest—and finally, the locket.
Kanetaro's eyes widened.
"No."
Elyndor's hand touched the seal.
"Love is not weakness," Elyndor said softly. "It is access."
Kanetaro roared and forced his energy outward.
The Causality Lock trembled.
The hidden realm shook.
For one instant, he almost broke free.
Elyndor's fingers pressed against the locket.
A single crack appeared across its surface.
The sound was tiny.
But the universe heard it.
Kanetaro went still.
The cold within the locket became bottomless.
A black line spread through the tarnished metal.
Then another.
Then another.
The seal split.
Darkness erupted.
It did not explode outward like flame.
It unfolded.
Layer after layer of ancient shadow poured from the locket, swallowing the white-violet light of the Forge, drowning the silver horizon, crawling across Kanetaro's chest like ink claiming parchment.
Elyndor stepped back.
For the first time, satisfaction touched his face.
"At last."
Kanetaro screamed.
The sound was swallowed halfway through his throat as the shadow forced itself outward, trying to take shape beyond him. The hidden realm trembled under its presence. Fragments of broken light turned black and dissolved.
A voice opened inside the darkness.
Not loud.
Not monstrous.
Ancient.
"At last…"
Kanetaro's knees buckled.
The shadow rose behind him like a second sky, vast and eyeless.
"The cage forgets its prisoner," the voice whispered. "But the prisoner remembers the lock."
Elyndor bowed his head slightly.
"Yami."
Kanetaro's eyes snapped open.
"No."
The shadow surged outward.
Kanetaro understood instantly.
If Yami escaped here, no one would sense it until it was too late.
Heaven would not prepare.
Energy would not arrive.
Mother Nature would not know.
The world would simply wake beneath a sky already consumed.
Kanetaro gritted his teeth.
"No."
The Sky Spark inside his chest blazed.
Elyndor's eyes narrowed.
Kanetaro grabbed the darkness with both hands.
Not physically.
With will.
With resonance.
With the authority of the Sky.
Yami paused.
"You would touch me?"
Kanetaro's body shook as shadow burned through his veins.
"I will do worse."
He pulled.
The darkness resisted.
The hidden realm cracked open across its horizon. Energy rivers bent toward Kanetaro as though dragged by a collapsing star. The Forge rupture behind him widened violently, but Kanetaro did not reach into it for a weapon.
He used it as a gate.
A funnel.
A command.
The shadow that tried to escape was dragged back toward him.
Yami's voice deepened.
"Foolish sky."
Kanetaro smiled through blood.
"Maybe."
He spread his arms.
"Get in."
Then he pulled Yami into his own body.
The hidden realm convulsed.
Blackness slammed into Kanetaro's chest, flooding his veins, bones, nerves, soul. His right arm turned shadow-black first. Then his shoulder. Then the side of his neck.
He fell to one knee, teeth clenched, refusing to scream.
Elyndor watched in silence.
Kanetaro pressed one hand over the cracked locket and the other over his heart.
The Sky Spark burned brighter.
He forced every escaping thread of Yami inward, sealing the primordial shadow not back into the locket, but inside himself.
His body became the prison.
His soul became the lock.
And his consciousness became the jailer.
For one brief moment, he succeeded.
The darkness vanished from the realm.
The silver-black horizon steadied.
Kanetaro knelt alone, breathing like a dying man.
Elyndor's gaze remained unreadable.
"You chose the cruelest solution."
Kanetaro lifted his head slowly.
"If you expected me to let him go, you are worse at strategy than I thought."
"No," Elyndor replied. "I expected you to choose sacrifice."
Kanetaro's eyes narrowed.
Elyndor turned away.
"A shadow sealed in a trinket is hidden history. A shadow sealed in a king…"
He paused.
"…is a future waiting to open."
Kanetaro tried to stand.
His body failed.
The world inside him shattered.
He fell inward.
Kanetaro opened his eyes beneath a broken sky.
He stood upon an endless black ocean, its surface reflecting stars that did not exist. Above him floated fragments of Heaven—pieces of the Sky Throne, shattered clouds, torn banners, broken memories. His body felt lighter here, but weaker.
This was not a place.
It was himself.
His inner world.
Across the ocean stood Yami.
Not as a beast.
Not as smoke.
As a figure shaped from shadow wearing Kanetaro's outline like a mockery. Its right arm was fully demonic, its eyes hollow white, its smile quiet and patient.
Kanetaro summoned Storm-Bringer.
Yami summoned the same blade.
Kanetaro's blood ran cold.
Yami tilted his head.
"I watched."
The shadow lifted the katana.
"Every breath."
Kanetaro lunged.
Their blades met.
The impact split the black ocean beneath them.
Kanetaro shifted to gas, dispersing around Yami's counterstrike, then reformed behind him with a forged spear drawn from a rupture in the air.
Yami did the same.
Faster.
The shadow spear pierced Kanetaro's shoulder before his own attack completed.
Kanetaro staggered back.
Yami walked toward him calmly.
"You taught me movement."
Kanetaro tore the spear free and became liquid, flowing beneath the ocean surface before erupting upward in a solid strike aimed at Yami's jaw.
Yami's body softened into shadow-liquid and bent around the punch.
Then he struck Kanetaro in the chest with full-mass transfer.
Kanetaro flew backward across the ocean, crashing through a floating memory of the Jade Groves.
Yami followed.
"You taught me form."
Kanetaro rose, blood dripping from his mouth.
He lifted both hands and ruptured reality inside his own soul.
Energy's Forge answered.
Dozens of weapons formed around him.
Katana.
Bow.
Chains.
Hammer.
Shield.
Needles of compressed force.
Kanetaro sent them all forward.
Yami raised one hand.
The same weapons appeared behind him, blackened and silent.
They collided in the center of the broken sky.
The inner world erupted.
Kanetaro moved through the chaos, using every technique he had mastered in isolation. He shifted states. He redirected force. He listened for resonance. He attacked gaps in rhythm, not body.
But Yami knew every rhythm.
Every habit.
Every correction.
Every secret improvement.
Every moment Kanetaro had spent alone, believing no one watched.
Yami had watched from the seal.
And now Yami used that knowledge without restraint.
Kanetaro fought like a warrior protecting Heaven.
Yami fought like a prisoner killing the jailer.
The battle tore through Kanetaro's inner world. The black ocean rose into waves. The broken sky rained fragments of memory. Images flashed around them—Riya smiling sharply, Kaito lowering his spear, Daniel tipping his hat, Knowledge laughing in that irritating ancient tone, Mother Nature offering food inside the cave.
Yami stepped through them all.
Untouched.
"Attachment," Yami said, driving a shadow blade through a memory of Riya. "Noise."
Kanetaro roared and struck him across the face.
For the first time, Yami's head turned.
Silence followed.
Then Yami smiled.
"There."
He grabbed Kanetaro by the throat.
"That anger. That desperation. That is the door he used."
Kanetaro tried to break free.
Yami slammed him into the black ocean.
The inner world cracked beneath them.
"You call yourself a cage," Yami whispered. "But a cage requires a keeper."
His demonic hand pressed against Kanetaro's forehead.
"And you are tired."
Kanetaro's body trembled.
He tried to summon the Sky Spark.
Yami's fingers tightened.
Darkness flooded his vision.
Kanetaro heard the distant echo of his own heartbeat.
Then Yami spoke one final time.
"Sleep beneath silence."
The world shattered.
Kanetaro's consciousness broke apart like glass under pressure.
Fragments of himself scattered across the black ocean—memories, thoughts, names, promises.
Yami stood above the ruin and looked down with calm certainty.
"The keeper is gone."
He turned away.
Already, Kanetaro's body in the outer realm began to rise.
Yami believed he had destroyed him.
But deep beneath the broken ocean, one light remained.
Small.
Faint.
Sky-blue.
The Sky Spark.
It pulsed once.
Then again.
It gathered the fragments.
Not all.
Enough.
A memory of Kanetaro's laughter.
His stubbornness.
His grief.
His promise to return.
His voice calling Mother Nature "mother" for the first time.
The Sky Spark wrapped around the last surviving piece of Kanetaro's consciousness and fused with it.
The black ocean noticed too late.
Yami turned.
The spark fled.
It shot upward through the broken sky of Kanetaro's soul, tearing through shadow layers, slipping between seals, escaping through the one path Yami had ignored.
The roots.
Not physical roots.
Older ones.
The memory-roots beneath Heaven.
The Old Roots.
Kanetaro's surviving consciousness rushed toward them instinctively, carried by the Sky Spark. He did not choose the path with strategy. He chose it with the oldest part of himself.
The child raised by forests ran home.
The spark tore free from Kanetaro's body just before Yami fully claimed it.
Yami reached after it.
Too late.
The Sky Spark vanished into the hidden veins of Heaven, moving where divine law was weakest, where old memory still breathed beneath control. It traveled through forgotten root-paths, ancient green tunnels, petrified veins of a Heaven that existed before thrones and crowns.
Finally, it reached the Old Roots.
There, hidden beneath the ancient cave, it buried itself in silence.
Weak.
Cracked.
Alive.
And waited.
The memory trembled.
Mother Nature found herself back inside the chamber beneath the Old Roots, standing before the floating Sky Spark. Her face had gone pale. Her hands shook at her sides, vines curling around her wrists as though trying to steady her.
Inside the spark, Kanetaro's faint form lowered his gaze.
"That is what happened," he said quietly.
Mother Nature could not speak at first.
The roots around them pulsed with grief.
Above them, far away on the Plains of Eternity, Yami was raising Kanetaro's body against Knowledge.
Now she understood.
The king who had returned to Heaven was never Kanetaro.
The cold authority.
The silence.
The way he had sat upon the throne.
The way he had challenged the gods.
The way darkness had seeped through him when pushed to the limit.
It had been Yami all along.
Hiding.
Wearing her child's face.
Mother Nature stepped closer to the Sky Spark, tears shining in her emerald eyes.
"My child…"
Kanetaro looked up.
"I caged him," he whispered. "But he took the cage."
A tremor ran through the Old Roots.
Mother Nature felt it from above: Yami's power gathering, vast and terrible.
Knowledge's presence flickered weakly before it.
Kanetaro felt it too.
His expression tightened.
"Knowledge is fighting my body."
Mother Nature turned toward the cave entrance.
For the first time in ages, fear moved openly across her face.
Kanetaro's voice stopped her.
"Mother."
She looked back.
The Sky Spark burned faintly brighter.
"Do not destroy the body," he said.
Mother Nature's throat tightened.
"Then how do we save you?"
Kanetaro was silent.
That silence was answer enough.
Above, the roots groaned as Yami's energy pressed against Heaven itself.
Mother Nature closed her eyes.
When she opened them again, grief had not vanished.
It had become resolve.
"You did not abandon Heaven," she whispered.
Kanetaro's faint smile was tired.
"No."
The Sky Spark trembled.
"I became the lock."
Mother Nature turned toward the path leading out of the Old Roots.
The ancient cave opened before her, roots pulling aside like soldiers making way for a queen.
Behind her, Kanetaro's voice faded through the chamber.
"And now…"
His light flickered.
"…the lock is breaking."
Mother Nature ran.
The Old Roots shook behind her.
And far above, on the Plains of Eternity, Yami's corrupted star reached completion.