Chapter 34

Secluded Laboratory

Acnologia stood before Naruto, his presence suffocating, exuding a raw, unfiltered menace. Gone were the tribal dragon markings that once adorned his body, gone was the wild, unkempt mane of hair that had framed his monstrous visage. Now, stripped of his past form, he stood in his human shape—naked, unmarked, yet no less terrifying.

But that was only for a fleeting moment.

A deep, guttural hum filled the chamber, the very air twisting and convulsing under the weight of his presence. Then, like ink bleeding into water, an ominous blackness spread across his skin, seeping from within, saturating his flesh with a malevolent force that defied nature itself. His body darkened, shifting, morphing—his very essence reshaping itself into something beyond humanity.

The transformation was slow, deliberate, yet inevitable. Scales of pure obsidian began to materialize, layer by layer, coiling over his flesh like a living exoskeleton. These were not just dragon scales—they were something more, something otherworldly. Metallic, cursed, steeped in an energy that crackled with the boundless darkness of the abyss. The sheer density of his magic warped the space around him, a silent testament to the terrifying power he now wielded.

Then, in the span of a single breath, the metamorphosis was complete.

Standing in his full Etherious glory, Acnologia had been reborn.

Pitch-black dragon armor.

Etherious Cursed Dragon.

Acnologia.

The weight of his new existence pressed against Naruto like a tidal wave, the very fabric of reality bending under the sheer pressure of his power. The chamber trembled, dust and debris quivering in submission. The air was thick with something primal, something undeniable—the presence of an entity beyond mortal comprehension.

And standing before him, bracing against the overwhelming Etherious force, was Naruto.

Faux Baryon Mode.

His Aokugan flared to life, his ethereal blue eyes alight with limitless insight, absorbing the boundless flow of information that surged from Acnologia's very being. And yet, the true depth of this transformation—the unshackled horror of what Acnologia had become—had yet to fully register in his mind.

He didn't have time to process it.

Because Acnologia moved.

It was a blur, a tear through space itself, an eruption of raw force that shattered the ground beneath his feet. He blitzed toward Naruto, his speed untouched, his technique unchanged—yet now, something was different. Every motion, every strike was imbued with an unholy power, the tainted essence of Zeref's Dark Arts coursing through his very being.

A power far surpassing even the Nine Demon Gates.

A power that should not exist.

A power that was born from a mistake.

Naruto gritted his teeth, his mind racing. He knew what had caused this. He had intervened, tried to mend Zeref's contradiction curse, to break the chains that bound him to his twisted immortality. But his interference had only worsened it, had only angered the god that had woven the curse into existence—Ankhseram.

And in that moment of divine wrath, Zeref had been empowered.

A power beyond mortality.

A power that had twisted Acnologia, warping him into something beyond even the Dragon King he had once been.

He who once stripped off his scales and power.

Returned to its most hollow.

On its purest state of malevolence and—

Destruction.

Acnologia.

Naruto was no longer within the floating ruins of Tartaros. The dark ether that had once surrounded him was gone, replaced by the harsh winds of the world below. He had been cast down, thrown from the skies, sent crashing into the barren lands beneath the fortress—a cruel, ironic callback to his first battle against Acnologia.

Back then, he had been the one to drag the Dragon King down to a barren wasteland.

Now, it was his turn to fall.

His body hit the ground like a discarded puppet, limp, yet unbroken. Dust billowed around him as cracks splintered outward from the impact. Above, the heavens still raged with residual ether, a testament to the sheer force that had sent him plummeting. And standing before him, the incarnation of destruction itself—Acnologia.

The black-armored monstrosity loomed, clad in his pitch-black Etherious form, an abyssal horror given shape and form. His sheer presence distorted the air, the space around him rejecting the natural order of the world. His eyes, once alight with cruel amusement, were now empty—devoid of the man he had once been.

Naruto exhaled, slowly forcing himself back to his feet, every movement laced with pain. His Aokugan gleamed, his ethereal blue eyes flickering with the echoes of boundless knowledge. But for all the wisdom they provided, they had yet to unravel the depths of what Acnologia had become.

And yet, despite everything, despite the sheer impossibility of the situation, Naruto still tried.

"Hey… you're still in there, man?"

There was no answer.

Acnologia moved.

There was no hesitation, no pause, no recognition. Just pure, relentless pursuit.

The air howled as cursed blasts tore through the sky, the sheer magnitude of their force sending shockwaves across the desolate landscape. Each orb of condensed annihilation pulsed with Zeref's twisted Dark Arts, its very essence an affront to life itself.

Naruto's eyes widened as he realized—

Had these attacks been at their full capacity, entire continents would have been erased in their wake.

But Acnologia didn't need to unleash them at full strength. Even in their compressed state, they were beyond devastating.

Naruto barely had time to react as the first attack struck.

BOOM!

The impact sent him reeling, his entire body screaming in protest. His Faux Baryon Mode, a form that had allowed him to wield limitless energy from his Tenkei no Fūin, should have mitigated the damage. His drain should have siphoned the power away.

But it didn't.

Because this wasn't ethernano.

Naruto had adapted to the environment of this world, had evolved to absorb and manipulate its energy—ethernano. But this—this curse power—was something else entirely. Something foreign, something unnatural.

Something his Aokugan had yet to fully decipher.

For the first time since arriving in this world, he had taken an attack he couldn't defend against.

And Acnologia did not stop.

One after another, cursed blasts rained down like judgment, painting the wasteland in a storm of blackened destruction. Naruto's body blurred, weaving between the attacks, but even at his speed, he couldn't dodge them all. Every impact sent tremors through his bones, every blast gnawed at his very being.

And yet—he did not counterattack.

Instead, Naruto focused everything on parrying, deflecting, and redirecting Acnologia's attacks away from the earth itself.

Because he knew.

He knew that if even a single one of those blasts hit the ground, the damage would be irreversible.

Entire landscapes would be razed.

The very foundation of the world would be scarred.

So he took it all.

Every cursed strike, every unrelenting blow—he shouldered the full weight of Acnologia's wrath. And with each deflection, each parry, he redirected the cursed energy toward the one place it could do no harm.

The void of space.

Naruto gritted his teeth, his body screaming in protest. With every burst of dark ether, his muscles felt like they were tearing apart, his very cells burning under the unfamiliar weight of the cursed magic. But still—he did not let a single attack touch the earth.

The sky above became a battleground of light and shadow, streaks of cursed energy colliding with the endless void beyond. Every impact sent shockwaves rippling through the atmosphere, the heavens themselves trembling under the sheer force of their battle.

But Acnologia did not slow.

He kept coming, relentless, merciless, a force of nature that refused to be stopped.

Naruto exhaled sharply, blood trailing from the corner of his mouth. His Aokugan flickered, struggling to keep up with the overwhelming flood of information. He had no time to rest. No time to think.

Because this wasn't just a fight.

This was a war against destruction itself.

The apocalyptic battle went on and on.

Naruto huffed as he sent another destructive ball of compressed destruction to the sky with a roundhouse kick.

This was different.

For the first time, Naruto faced Acnologia with absolute clarity.

The first time he had awakened the Aokugan, it had been to this very same opponent—but back then, he had been high off the overwhelming flood of information, intoxicated by the sheer boundless knowledge his new perception had granted him. His senses had been overstimulated, drowning in the chaotic tide of insights he couldn't yet control.

Now, though?

Now, he was calm.

The noise had settled. The chaos had organized itself into something tangible.

And all that was left to dissect—was Acnologia.

The battle raged on.

Acnologia, in his Etherious dragon armor, relentless in his assault. His movements were pure efficiency—no wasted motion, no unnecessary flare—just overwhelming power, cursed energy condensed into pinpoint destruction.

And Naruto?

He was on defense, his body moving with an almost unnatural grace, parrying each attack with instinctual precision.

BOOM!

Another cursed blast exploded against his palms as he deflected it toward the sky, sending yet another wave of destruction hurtling into the void of space.

The impact should have crushed him.

It didn't.

Because something was changing.

It began as a whisper in his senses, a faint thread of realization unraveling with each passing second.

Then—it clicked.

His Aokugan wasn't just a superior dōjutsu that granted him boundless perception.

It was something more.

It was Phenomena Adaptation.

Naruto's body was changing.

He could feel it—his muscles, his very cells—responding, adjusting, evolving to match the foreign energy of Acnologia's cursed attacks. The force that had once pierced through him like a blade now felt… duller. Still heavy. Still devastating. But no longer lethal.

His body was learning.

Through his eyes, he could see the cursed energy's properties, the fundamental structure of its nature, the way it interacted with the world.

And as he perceived it—he began to adapt to it.

Acnologia moved.

Faster than before.

A flicker of black. A cursed blade of raw destruction materialized in his grip—condensed, refined, razor-sharp.

Naruto saw it.

Understood it.

Countered it.

He moved—not away, but into the attack. His hand, now subtly tinged with a faint shimmer of residual dark energy, caught the blade.

And for the first time—it did not cut him.

Acnologia's eyes widened—a flicker of recognition, a split-second of hesitation.

Naruto smirked.

Then, he counterattacked.

He twisted his grip, forcing the blade away before snapping his leg up in a devastating roundhouse kick, his foot crashing into Acnologia's armored ribs with enough force to send the Dragon King hurtling backward.

BOOM!

Acnologia skidded across the wasteland, carving trenches into the earth, his armored heels digging in to stop his momentum. The moment he regained balance, he shot forward again, but this time—

Naruto was ready.

The battle shifted.

No longer was Naruto just a defender—he was learning, adapting, countering with each second that passed. Every cursed blast that struck him, every blade that grazed his skin—it only fed into his evolution.

The Aokugan flared.

Naruto moved.

Acnologia swung—cursed energy roaring through his clawed strike.

Naruto ducked under it, twisting like a shadow before slamming his palm into Acnologia's chest.

Acnologia staggered.

Because now, Naruto's strike carried the same cursed energy.

Not magic. Not chakra.

Curse.

Acnologia's expression darkened.

Naruto grinned. "Took me a while, but…" He flexed his fingers, his palm flickering with dark energy before it dissipated, absorbed into his very being.

"I think I get it now."

Naruto's breath was steady, his heart hammering in rhythm with the fight. Every strike, every blow, every moment of impact meant something now. It wasn't just an exchange of raw power—it was a battle of will.

The curse had fully assimilated into his Tenkei no Fūin, his sealing technique now acting as a conduit, a siphon, drawing away Acnologia's Etherious essence with every hit he landed.

And now—Naruto was on the offensive.

BOOM!

His fist collided with Acnologia's ribs, sending a web of fractures through the pitch-black armor. Acnologia grunted, retaliating with a cursed claw strike aimed for Naruto's throat—

Naruto slipped past it.

A twist of his body, a shift of his weight, and he was already inside Acnologia's guard—

CRACK!

An elbow smashed into Acnologia's jaw.

The force sent the dark dragon staggering, but he wasn't given even a moment to recover—

Naruto was already there.

He pressed forward, his blows relentless—

A knee to the gut—BOOM!

A spinning heel kick to the temple—CRACK!

A rising uppercut—THWACK!

Every attack, every impact, was cutting the strings—severing the cursed energy that bound Acnologia, tearing away his armor piece by piece.

The once-indestructible Etherious shell that made Acnologia the unstoppable force of destruction was breaking.

Cracks spread across the blackened plates.

The once-menacing, invulnerable form of the cursed dragon king was beginning to fall apart.

Naruto's Aokugan blazed, perceiving everything—seeing beyond the mere physical destruction and straight into the core of Acnologia's being.

And in that instant—he understood.

This form—this monstrous shell—was not Acnologia.

It was the chains shackling him.

A prison of his own making.

"This time… I won't leave you in the dark!" Naruto gritted his teeth.

Acnologia came at him again, roaring in defiance, but Naruto met him head-on.

Their fists collided—power clashing, shaking the very air itself—

Then, in that instant—

Naruto's palm shifted.

An unseen spiral of energy began to take form.

Something beyond chakra. Beyond magic. Beyond even the curse.

It was the purest form of erasure—a concept so complex that only another bearer of the Aokugan could even begin to perceive it.

Acnologia sensed it too late.

WHAM!

Naruto's roundhouse kick slammed into his side, sending the dragon king crashing into the earth below. The impact shook the battlefield, sending shockwaves rippling for miles as a massive crater formed from his fall.

And from above—

Naruto descended.

Palm extended.

The very same attack that liberated the dragon king from his hate and dragon slayer magic.

A spiraling erasing phere.

"RASEN ZAN GAN!"

It struck Acnologia's gut.

The moment it made contact—

A pulse of pure erasure expanded outward.

The last remnants of his Etherious armor—his cursed dragon shell—began to disintegrate.

The pitch-black armor shattered.

The cursed energy unraveled.

The malevolent force that had consumed Acnologia for so long—purged.

And beneath it all…

A man remained.

Acnologia lay motionless on the ground, his once-imposing presence reduced to a mere shadow of what he was. His breath was ragged, his body battered—not just from the fight, but from the weight of everything he had been forced to endure.

Noticing that the former Dragon King was still conscious, Naruto reached into his ninja pouch and pulled out a large white cloth, covering the defeated form of Acnologia as he knelt beside him..

His palm hovered over Acnologia's wounds, life force flowing from his fingertips as he began to mend the damage.

Acnologia let out a weak, rasping breath. Then, with great effort, he spoke—his voice rough, strained, yet laced with urgency.

"A... a trap... Blue Eyes..."

Naruto furrowed his brows. "Huh?" His hand remained outstretched, continuing to heal Acnologia's wounds.

Acnologia's fingers twitched. He clenched his jaw, forcing the words out—

"You've... fallen into his trap—Zeref."

Naruto's eyes sharpened at the name.

"What do you mean?" he asked, supporting Acnologia as the once-mighty Dragon King steadied himself.

Acnologia exhaled sharply. "I... have no memory of it… but I know I lost... to you... back then, Blue Eyes." His breathing grew steadier, his body stabilizing. "Zeref knows he can't face you head-on—not when he knows what you're capable of."

His gaze locked onto Naruto's ethereal Aokugan, glowing with a deep, otherworldly blue.

"You, who defeated me… with those eyes of yours…"

Acnologia's voice grew heavier. "There's only one reason he brought me back, near my former peak, with all his knowledge... as his Etherious." His expression darkened. "And that is for me to face you. He and I both know... I'm going to lose."

"Why?" Acnologia asked himself. His jaw clenched. "That… I do not know."

Naruto listened in silence, his mind racing as he recalled his meeting with Mard Geer.

Mard Geer had orchestrated the subjugation of Tartaros alongside Naruto—supposedly to push Natsu beyond his limits, either to unleash his true potential as a wizard or to awaken his dormant power as END. But in truth, it had been Zeref's hand guiding him all along. Zeref had nudged Mard Geer into action, knowing the nature of Etherious, their inherent contempt for humanity. He had led him to an alliance he would have never considered otherwise.

And now, Acnologia was telling him this was a trap.

Naruto's breath slowed. What was Zeref really after?

Then, it hit him.

Everyone—the strongest mages of Fairy Tail—was gathered at Tartaros' fortress.

Leaving Makarov alone.

At the guild.

In Magnolia.

As if on cue a recent memory resurfaced to Naruto.

"Master…" he started, his tone unusually serious. "You know, I haven't really asked this before, but… what's underneath our guild?"

Makarov raised an eyebrow, not entirely surprised by the question but intrigued by the timing of it. He took a slow sip from his mug before setting it down with a small clink against the wooden counter.

"Ah… that?" he mused, stroking his beard thoughtfully. His eyes studied Naruto, reading beyond the casual curiosity in his tone. There was something deeper in the way the young man asked—an unspoken weight behind his words.

Makarov exhaled, leaning back slightly. He had seen that look before, countless times. It was the kind of expression people wore when they felt their time in a place was coming to an end. Like they wanted to tie up loose ends before moving on.

"It's a trump card of sorts," Makarov finally answered, his voice carrying a cryptic air. "To be used in dire need… under great duress."

Was that Zeref's aim?

That mysterious force that lies underneath their guild?

The realization sunk in to Naruto.

"Master's in grave danger!" Naruto gritted his teeth, launching himself toward Magnolia at full speed.

Acnologia watched as the blonde vanished into the distance, leaving only a gust of wind in his wake.

"Be careful… Blue Eyes…" he murmured, his voice raspy yet lighter than before.

Lying flat on the barren wasteland, Acnologia felt something unfamiliar—peace.

For the first time in centuries, with a clearer mind and heart, he could truly feel life once more.

Though distant echoes of battle rumbled on the horizon, he paid them no mind. Instead, his gaze drifted upward, drawn to the endless expanse of the sky.

Slowly, he raised a trembling hand, reaching toward it.

And for the first time in what felt like eternity—

He saw just how beautiful the world truly was.

Fairy Tail, Magnolia - Year X785

The heart of Magnolia—the once-lively guildhall of Fairy Tail—lay in utter ruin. Shattered wooden beams, broken tables, and the acrid scent of charred stone filled the air. A deathly silence hung over the wreckage, broken only by the ragged breathing of the wounded.

Bodies of unconscious guild members littered the floor, their usual vibrancy snuffed out by the merciless force that had swept through. The proud emblem of Fairy Tail, once a symbol of unwavering strength, was now draped in the shadow of defeat.

At the center of the devastation lay Makarov Dreyar. His colossal frame was unnaturally still, his skin deathly pale, as if the very essence of his life had been drained away.

Then—an orange blur tore through the ruined entrance.

Naruto Uzumaki landed in the midst of the wreckage, breath hitching, eyes darting wildly across the battlefield. His pupils shrank. His chest tightened.

"Master!"

In an instant, he was kneeling beside Makarov, panic clawing at his throat. His hands ignited with life force, a golden glow spilling over the old man's battered chest as he channeled every ounce of his energy into him.

Through his heightened senses, Naruto could tell—most of the guild members were only unconscious. But Makarov… Makarov had taken the worst of it. He had shielded them. He had taken the brunt of whatever hell had torn through this place.

Their old man. Their master.

Makarov was cold. Too cold.

Naruto gritted his teeth, pouring more of his essence into him, refusing to accept the reality before him.

"Not like this."
"Not while I still have strength to give."

Then—a weak cough.

Makarov's eyelids fluttered. His lips trembled as he mustered the last of his strength, a single trembling hand reaching up to grasp Naruto's wrist.

A whisper—fragile, yet desperate.

"N-Naruto…"

His fingers dug weakly into Naruto's wrist, as if trying to anchor himself to life just a little longer.

"The basement… Zeref…"

Naruto's breath stilled.

Then—a shift.

A presence, thick and suffocating, settled over the air. It was deeper than the curse that had ravaged Makarov's body. Darker. Older. Unshakable.

Makarov's grip tightened, his fading eyes filled with urgency. He wasn't speaking for himself anymore.

Naruto didn't hesitate.

He completely resuscitated Makarov first then—

He vanished.

Blitzing through the shattered rooms and halls, the wind roaring behind him. His mind was sharp. His heart pounded with rage.

He could feel it.

The source of this devastation.

His Aokugan flared to life, its boundless perception stretching beyond sight, tracing the web of power to its origin. The moment he locked onto the figure standing deep within the guild's hidden chamber—he froze.

Zeref Dragneel stood there, cloaked in pristine white that pulsed with an unnatural glow.

But this was not the same Zeref he had faced before.

His aura had changed.

Ascended.

It dripped with an essence that wasn't magic. Wasn't a curse. Wasn't even bound by time itself.

Naruto's Aokugan strained to decipher the energy—but it was unlike anything he had ever encountered. It was beyond comprehension.

Zeref smiled. A calm, knowing smile, as if he had been expecting this exact moment.

"Ah… just in time," he mused, his hands folded neatly behind his back. "Well… just as I expected."

Naruto's teeth clenched. His fists curled tight.

"ZEREF!" he roared, his voice shaking the very foundations of the guild. "What's the meaning of this?!"

Zeref tilted his head, amusement flickering in his cold, ancient eyes.

"We had an agreement! For Natsu to face you when his time comes! What the hell is this?!" Naruto bellowed.

The ascended Zeref exhaled softly, his white cloak drifting as if untouched by gravity. His power had transcended something… otherworldly. Even Naruto's Aokugan struggled to grasp it.

Zeref chuckled.

"You think I would just lie low and wait?" he mused, a glint of amusement dancing across his features. "What gave you that idea, Naruto Uzumaki?"

Naruto's eyes widened.

Zeref took a step forward, his presence alone sending a pulse through the very air.

"Well, I suppose you deserve an explanation." His voice was steady—unhurried, like a man who had already won. "After all… just like you, I too sought to deny fate."

Chapter End