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Naruto: Seiryu's Aether

After an untimely death caused by "bus-kun," Kūga Seiryu finds himself in the presence of Kami, who offers him a second chance at life in a world of his choosing. Going with the Naruto universe, he wishes for the unique power of Aether, bestowed as the kekkei genkai, Kūseiton (Aether Release). Born nearly a hundred years before the original timeline, Kūga faces tragedy early in life as he loses his mother at birth and his father, Raiken, to an unknown illness when he is just ten years old. Raised in seclusion, he learns the basics of aether and its mysteries from his father, preparing him for a world fueled by power and conflict.

Kulark · อะนิเมะ&มังงะ
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46 Chs

Chapter 13: A Test of Power and Unity

The sun's golden rays danced through the valley's swaying branches, casting a serene glow over the tense gathering.

Kūga, Hashirama, and Madara stood apart, their silence heavy with anticipation. Today's meeting was a test... of power, and teamwork.

Kūga's white hair shimmered, his piercing blue eyes scanning the landscape. Aether's subtle energy swirled around him, a testament to his contained power.

His gaze met Hashirama's, whose warm eyes now burned with resolute determination.

Madara's stoic facade remained unchanged, but his Sharingan gleamed with intense focus.

The air vibrated with unspoken challenge, as if the very fate of their unity hung in the balance.

Or, with a slightly different tone:

As sunset's golden light shined throughtout the valley, the trio stood composed. Today, they would put themselvesd to the test.

Kūga's eyes, bright as the sky, swept the landscape, his Aether energy humming softly around him.

Hashirama's gaze locked onto his, fierce resolve replacing warmth.

Madara's Sharingan shone like polished stone, his expression unyielding.

Their unspoken understanding hung in the air, a promise of power and unity waiting to be unleashed.

Kūga's voice broke the silence, low and commanding.

"We're going to push this to the limit," he said, his tone firm but fair. "I expect nothing less than your full strength. This isn't just a matter of proving how strong you've become—it's about seeing how well you can fight together."

Madara's lips twitched slightly, the closest thing to a smirk as he glanced at Hashirama. "I don't need anyone to fight for me," he said coolly. "But if this is what it takes, I'll play along."

Hashirama chuckled lightly, rolling his shoulders as his chakra began to stir. "Let's see how far we can push this, then. No holding back."

Without another word, Kūga lifted his hand, the shimmering Aether around him suddenly flaring to life.

"Aether: Dimensional Veil!" he declared, the ground beneath them rippling and distorting the air. In an instant, the three were plunged into an otherworldly battlefield, a place where reality itself warped and bent to Kūga's will.

"Begin."

.

Hashirama and Madara leapt into action simultaneously, chakra surging through them.

"Wood Release: Verdant Genesis!" Hashirama shouted, his hands weaving through seals as he summoned a massive forest from the ground.

The tendrils of the trees lashed out towards Kūga with lightning speed, aiming to ensnare him.

Madara, not to be outdone, activated his Sharingan and unleashed a torrent of flames. "Fire Release: Great Fire Annihilation!" he roared, his eyes filled with determination.

An inferno burst from his mouth, a wall of fire racing forward to consume the entire battlefield. The combination of wood and fire made the terrain volatile—explosions of heat and growth as Hashirama's forest fueled Madara's flames.

Kūga watched with narrowed eyes as the two forces converged on him. "Aether: Phantom Requiem," he muttered, as ghostly, wraith-like figures formed from the Aether, darting through the flames and forest with ethereal grace.

The wraiths collided with the incoming attacks, siphoning off the chakra as they passed through the wood and fire.

"Kūga's defenses are absurd," Hashirama muttered under his breath, jumping back as he formed another string of hand seals.

"Wood Release: Divine Binding Roots!" he shouted, thick roots shooting up from the ground, wrapping themselves around the phantom wraiths, trying to drain their energy and pin them down.

But Kūga was already on the move.

"Aether: Astral Step."

He disappeared from sight, leaving only a faint shimmer in his wake. In the blink of an eye, Kūga appeared behind Madara, his palm glowing with the power of Aether.

"Aether: Stellar Wraith." he declared, the energy surging forward, aimed directly at Madara's back.

But Madara's reflexes were sharpened by years of battle. His Sharingan spun, and with a swift movement, he formed a hand sign. "Susano'o: Gale of Destruction!" he roared, summoning the skeletal warrior. The massive Susano'o roared into existence, its blade slashing through the air, sending a powerful gust of wind towards Kūga.Hashirama seized the opportunity, summoning his most powerful technique yet. "Sage Art: Wood Release: World Tree Binding!" he declared, a colossal tree erupting from the ground, its roots and branches reaching out to trap both Kūga and Madara in its embrace. The sheer scale of the attack threatened to overwhelm them both.

Kūga grinned as the battlefield shifted once more. He raised both hands, and the very air around them warped.

"Aether: Singularity Collapse!" he declared. A small, unstable orb of condensed Aether formed in his palms before erupting into a massive gravitational vortex, pulling everything. Including Hashirama's jutsu into its swirling depths.

Hashirama and Madara's combined attacks began to falter, the gravitational force tugging at their chakra as they struggled to maintain their footing.

"This… this is insane!" Hashirama shouted, feeling the strain in his chakra reserves.

Madara's eyes gleamed with determination. "I'm not done yet," he growled, forming a series of hand seals.

"Tengai Shinsei!" he shouted, summoning a massive meteor from the sky. The meteorite hurtled towards the battlefield, its impact threatening to end the fight in an instant.

Kūga smirked. "Finally, you're taking this seriously."

Kūga then was enveloped with a surge of energy. "Aether: Abyssal Maelstrom!" he declared, creating a vortex of energy that spiraled upward to meet the descending meteor.

The two forces collided in the sky, resulting in a blinding explosion that lit up the entire battlefield.

.

The battle raged on, relentless and unforgiving. Kūga drove Hashirama and Madara to their limits, fueling their growth in strength and unity.

With each falter, the others stepped in, their synergy evolving hour by hour.

The valley, once a serene haven, lay in ruins by the third day's end. Rubble and charred earth scarred the landscape, yet the trio stood resilient.

Battered and bruised, their bodies bore witness to the ferocity of their training. Yet, their unbroken spirits shone brighter still.

Kūga looked at his companions, a rare smile gracing his lips. "Not bad," he said quietly. "You've both grown."

Madara wiped the blood from the corner of his mouth, his Sharingan still glowing faintly. "You're a cruel teacher," he muttered, but there was a hint of respect in his voice.

Hashirama laughed, though his voice was hoarse from exhaustion. "At least we're still standing."

Kūga nodded. "You've earned some rest. But don't get comfortable. This is only the beginning."

The day of rest passed by immediately, though Madara and Hashirama were far from complacent.

Kūga's ominous words lingered, keeping them sharp, even in their short respite. When the morning came, so did the storm that Kūga had promised.

Without warning, Kūga thrust them back into their spar, this time with an intensity that dwarfed the previous exchange. His movements were faster, sharper, and his Aether techniques more refined.

There was a mischievous gleam in his eyes, a smile constantly tugging at his lips as he watched his two companions struggle to keep up.

Madara shot forward first, launching himself into the air as he formed a string of rapid hand signs. "Fire Style: Dragon Flame Jutsu!" Several dragon-shaped fireballs erupted from his position, roaring toward Kūga with blistering speed.

Kūga didn't flinch, raising his hand lazily. "Aether: Void Barrage," he muttered, the space around him warping. An array of translucent projectiles materialized, intercepting each fireball and dispersing them into harmless flickers of flame.

"More!" Madara snarled, his Sharingan blazing as he adjusted his stance. With a flick of his wrist, his fireballs multiplied, their size and intensity increasing. Each dragon roared with greater fury, threatening to consume everything in its path.

Meanwhile, Hashirama's hands slammed into the ground. "Wood Style: Wood Dragon Jutsu!" he roared as a massive wooden dragon coiled from the earth, twisting and surging toward Kūga. Its jaws opened wide, ready to strike.

Kūga's smile widened. "Not bad." He raised both arms, and the air around him rippled.

"Aether: Calamity Pulse!" he declared, a colossal wave of energy exploding outward. The pulse collided with both the fiery onslaught and the wooden dragon, disrupting their flow and causing them to disintegrate mid-air.

But Madara and Hashirama were relentless.

Madara, undeterred by the disruption, had already launched another assault.

"Susano'o!" he roared, summoning his skeletal warrior. The colossal Susano'o manifested, its massive arm swinging down towards Kūga with destructive force.

Hashirama, from another angle, called forth another surge of wood. "Wood Release: Wood Golem!" he declared, summoning a massive golem to accompany his dragon.

Together, the two titanic creatures charged at Kūga.

Kūga grinned, raising his hand toward the heavens. "Aether: Heaven's Rift!" he declared. The sky above split open, and beams of Aether energy shot down like divine retribution, cutting through both the Susano'o and Hashirama's constructs.

Yet neither of his opponents slowed.

They adapted.

With each new technique, with every failed attack, they grew sharper, quicker to react.

Madara's Sharingan spun wildly, his eyes tracking Kūga's every movement. "He's pushing us... this feels good..." Madara muttered to himself, an edge of exhilaration creeping into his voice.

His Susano'o roared in defiance, regrowing the sections destroyed by Kūga's Aether beams.

"Exactly," Hashirama replied, his expression mirroring Madara's newfound resolve. He thrust his hands forward again. "Wood Style: True Several Thousand Hands!" A gargantuan wooden Buddha with a thousand arms materialized behind him, each arm poised to strike.

Kūga laughed, dodging effortlessly between strikes, though the rapid attacks were beginning to press him. "You're improving," he said, genuine approval in his voice. "But can you keep up?"

"More than you know!" Madara barked, unleashing another torrent of fire. "Fire Style: Majestic Destroyer Flame!" The wall of flames blazed toward Kūga, engulfing everything in its path.

Kūga's eyes narrowed slightly, and he summoned another new technique. "Aether: Null Zone!" he declared, a barrier of void-like energy materialized around him, swallowing Madara's flames whole. The flames vanished into the void as though they'd never existed.

The battle raged for four unrelenting days, ferocity escalating with each passing hour.

Kūga conjured tempests of Aether, reshaping the battlefield into a kaleidoscope of chaos.

Hashirama countered with waves of wood, crafting an ever-changing terrain of towering trees and ensnaring vines.

Madara unleashed a maelstrom of fire and lightning, each strike more precise and deadly than the last.

The trio clashed in a whirlwind of elemental fury, their strength and strategy pushed to the limit.

.

By the fourth day, both Madara and Hashirama were barely standing, their clothes torn, their bodies bruised, but their eyes gleamed with fierce determination. They had grown—not just as individuals but as a team, their coordination was seamless despite their different approaches to battle.

Kūga, still grinning, finally lowered his guard, breathing heavily. His white hair clung to his face, slick with sweat, but his eyes still danced with excitement. "You two..." He wiped his forehead. "You're getting stronger."

Madara, panting, gave a rare grin of his own. "You're... not bad yourself."

Hashirama chuckled softly, leaning on a tree for support. "I don't know if I want to thank you or hate you right now."

Kūga laughed, sitting down on a nearby rock. "Feel free to do both. But remember, this is still just the beginning."

Madara and Hashirama shot each other incredulous glances before shouting in unison, "Still just the beginning?"

Kūga's grin widened as he leaned back, stretching his arms above his head. "Of course! I'm still not satisfied!"

Both Hashirama and Madara groaned, collapsing onto the ground in exhaustion. The fight had been brutal, but they knew Kūga wasn't joking. He stood up and waved a hand dismissively. "You've earned two days this time. Make good use of it."

The two barely had the energy to complain as they took the brief reprieve. They knew the storm wasn't over—not by a long shot. Kūga's idea of training was relentless, but they also understood one thing: this wasn't just training anymore. It was war in every sense, and the stakes were their own personal growth.

.

Two days later, the tension in the air was palpable. Madara's Sharingan glowed with renewed vigor, and Hashirama's hands twitched, ready to summon his Wood Style at any moment. Kūga stood in the middle of the valley, a small smirk dancing on his lips as he raised a single finger. Without a word, the fight began once more.

The earth trembled as Hashirama's Wood Style surged with unprecedented force. "Wood Style: Deep Forest Bloom!" he thundered, summoning a dense forest of towering trees. Venomous flowers bloomed, poised to unleash paralyzing spores.Madara's Sharingan whirled, dissecting the chaos. His chakra flared wildly. "Fire Style: Majestic Flame Annihilation!" he roared, unleashing a tidal wave of scorching flames.The inferno engulfed the forest, incinerating the deadly blooms. Yet, Hashirama's wood adapted, fueling the fire with unnatural synergy. The blaze raged on, threatening to consume everything.

Kūga grinned as he stood amidst the chaos. "That's more like it."

With a flick of his wrist, he summoned a new technique. "Aether: Reality Shatter!" he declared, the air around him distorting, creating cracks in the very fabric of reality.

Voids of nothingness appeared, sucking in Hashirama's wood and Madara's flames. But even as his technique tore the battlefield apart, his two opponents adapted, pressing him harder.

Madara's Sharingan spun wildly, his eyes burning with a fiery intensity. Blood began to drip from his eyes, but he pushed on.

"Susano'o!" he roared, summoning his armored warrior. The colossal Susano'o manifested, its form larger and more defined than ever before. Its massive sword slashed through the air, cutting through Kūga's void rifts with sheer force.

Hashirama's body ached, sweat pouring down his face as he pushed his limits. "Wood Style: True Several Thousand Hands!" he roared, summoning a colossal Buddha-like figure.

The figure's thousand arms crashed down like a hurricane, aimed directly at Kūga.

Kūga was smiling wider than ever. "Good! Come at me!"

He raised both hands and gathered more energy.

"Aether: Temporal Collapse!" he declared, the air around him warping.

Time itself seemed to bend to his will, creating localized pockets of accelerated and decelerated time. The battlefield became a chaotic mess, with Madara's Susano'o and Hashirama's Wood Golem moving erratically through the distorted space-time.

Madara's eyes were burning, his vision now completely blurred, yet he still pushed forward. The blood streaming down his face didn't matter. His Sharingan was evolving—transforming into something greater.

His Eternal Mangekyō Sharingan had finally awakened.

His power surged, and he screamed as the Susano'o grew even larger, becoming nearly unstoppable.

Hashirama, fatigued to the brink of collapse, felt a breakthrough. His chakra surged, and a newfound power coursed through his veins. "Sage Mode: Wood Deity Awakening!" he roared, his connection to the earth deepening. Not only could he control the wood and life around him, but he felt like he could now draw directly from the life energy of the planet itself.Kūga, breathing heavily, felt a shift within himself. His mastery over Aether had reached its zenith. "Aether: Dimension Gate!" he declared, his hand outstretched. Portals to other dimensions opened, swallowing Hashirama's wooden attacks and Madara's fire techniques.

The battle raged on for two more days, Madara and Hashirama's strength and synergy escalating.

Hashirama's wood restrained Kūga, while Madara's Susano'o unleashed relentless assaults.

Yet Kūga kept pace, his mastery of time and space making him ubiquitous.

On the fifth day, Kūga's grin began to falter, his breathing ragged, movements slowing. Still, he stood triumphant.

"That... was satisfying," he declared, his eyes aglow.Madara and Hashirama collapsed, exhausted but elated. Breakthroughs achieved, limits shattered.

Madara's Eternal Mangekyō Sharingan had awakened, evolving further into the formidable Rinnegan.

Hashirama's Sage Mode merged with Wood Style, granting him unparalleled command over nature.

And Kūga... Kūga had become the master of time and space. He had reached the summit of his abilities, but even as he stood there, victorious and weary, he knew there was more to learn.

Hashirama, barely able to speak, gave a weak chuckle. "So... now it's over?"

Kūga laughed, though this time it was softer, less mischievous. "For now. But there's always more to come."

Madara, his voice hoarse, smirked. "Good. I wouldn't have it any other way."

Kūga's grin widened. He walked toward Madara and Hashirama, flicking his fingers. The ground beneath them shimmered, and in an instant, all the devastation of their battle, the torn earth, shattered rocks, and charred trees, was restored to its pristine state, as if no fight had ever occurred.

With a casual motion, Kūga lifted both warriors off the ground with his Aether, effortlessly carrying them toward the camp.

Though both of them were prideful men, they couldn't fight the exhaustion that overwhelmed them.

He laid them gently onto their makeshift beds. As soon as their heads touched the pillows, Madara and Hashirama's eyes fluttered closed, succumbing to the pull of deep, much-needed sleep.

.

The warm, rich scent of something roasting drifted through the camp. Hashirama was the first to stir, his nose twitching as his consciousness returned. The sweet, savory aroma pulled him from his slumber. He blinked, slowly sitting up, feeling the weight of sore muscles from days of brutal training.

Beside him, Madara groaned and sat up, rubbing his eyes.

The normally composed Uchiha was far too groggy to hide his curiosity. Both men turned to the source of the smell, and there, near the fire, was Kūga. He had prepared an array of food that looked far too luxurious for a campsite—thick slabs of marinated meat, golden-brown roasted vegetables, and freshly baked bread that had a soft crust dusted with herbs. A pot of rich, aromatic stew bubbled over the fire.

Kūga looked up from tending the food and grinned. "Good morning, gentlemen. I figured you'd be hungry after all that hard work."

Hashirama chuckled weakly. "Hungry doesn't even begin to describe it."

Madara, still stiff from soreness, shot Kūga a suspicious glance. "What… is this?" His voice was sharp, though he couldn't deny the allure of the meal in front of him.

Kūga motioned for them to sit. "Don't worry, it's not poisoned. Come on, eat. You'll need it."

Both Madara and Hashirama exchanged a glance before reluctantly dragging themselves toward the camp chairs. Every step was a battle against the soreness in their bodies, their muscles screaming in protest. They finally slumped into the chairs, the scent of the food now unbearably tempting.

Hashirama stared at the spread, his brow furrowing. "How… long have we been asleep?"

Kūga smirked, his eyes dancing with amusement. "Oh? You're worried about time now? You've been asleep for more than a week."

The words hit them like a hammer.

"More than a week?!" Hashirama exclaimed, nearly choking on his surprise.

Madara's eyes widened. "A week?" he muttered, disbelief washing over his face.

Kūga laughed at their reactions. "Yes. You two slept like rocks. I guess that fight took more out of you than you realized."

Realization dawned on them, and without a word, they began to eat faster, shoveling food into their mouths like men possessed. Hashirama, between bites, muttered, "I need… to get back to the clan… they'll be wondering what happened…"

Madara, similarly focused on the meal, nodded. "We've been gone too long…"

As they finished, they practically stumbled to their feet, wincing at the soreness that still lingered. They muttered quick thanks to Kūga before excusing themselves, each of them making a hasty exit to return to their clans.

Kūga watched them go, a knowing smile on his face. He leaned back, enjoying the peace of the moment. "Always in such a rush," he chuckled softly to himself, shaking his head.