Ōtsutsuki Isshiki's dojutsu—the black sclera eyes he manifested in Jigen's body—held abilities that, while deceptively simple, were devastating in combat.
One such ability was his advanced space-time ninjutsu known as Daikokuten, which allowed him to shrink any inanimate object into a microscopic form and store it in a timeless pocket dimension. With a mere glance, he could reduce boulders to specks and weapons to grains of dust. Living beings, however, were immune—except for himself.
The second component of his power, Sukunahikona, allowed him to instantly retrieve and return those shrunken objects to full size, weaponizing his entire arsenal like a walking armory from another dimension.
A moment ago, he had shrunken the load-bearing pillar of a nearby fortress and tucked it into Daikokuten. Now, with a snap of thought, he re-summoned it midair—enlarged—letting it fall like a divine hammer from above.
This shrink-expand combo rivaled even the precision of Amenotejikara, the short-range teleportation jutsu wielded by Uchiha Sasuke, but with one major difference: Isshiki could adjust the mass and volume, turning pebbles into planet-busters.
"It'd be annoying if we were equals," Isshiki muttered arrogantly, his voice calm but laced with venom. "But the gap between us… is like the difference between the moon and an insect."
"All creation is pulled by gravity!" Uchiha Shin roared.
He extended his palm, and a violent gravitational force erupted. The tiny form of Isshiki—now the size of a moth—was forcibly yanked through the air toward Shin's hand.
Isshiki's black sclera eyes glowed. "Daikokuten—materialize!"
From nothing, black rods erupted and grew instantly, their mass returning a hundredfold. They fired forward like siege ballistae, whistling through the wind, piercing toward Shin's grasp.
Yet the moment the rods touched Shin's palm, they disintegrated—shattered to ash.
"That's it? That's your limit?" Shin taunted, clapping his hands mockingly.
Isshiki, now back to normal size, gritted his teeth. Behind him, a circular vortex shimmered into view—black and red in hue, swirling with chakra.
A portal.
He was preparing to escape.
Jigen's body was breaking down. It had never been a perfect vessel for his reincarnation. Any more strain, and the form would fail him. If Uchiha Shin didn't kill him, his unstable body would.
"I need a new host. This fight… it's not worth dying over. Survival is the only priority now," Isshiki thought grimly as he leapt toward the portal.
"Heavenly Core Shift!"
Uchiha Shin's voice echoed like thunder.
In an instant, Isshiki's surroundings warped. Space flipped inside-out. The portal behind him disappeared, replaced by a desolate wasteland.
This wasn't the world he just left.
It was Uchiha Shin's Origin Sphere Dimension—but something was different. Larger. Denser. Unstable yet controlled.
In the time since the old wars, Shin had merged his spatial abilities with forbidden gravitational techniques, integrating a Super-Gravity Core into the spherical space.
The result was a custom-made battlefield where the rules bent to his will.
Realizing the trap, Isshiki's heart sank. "Another dimension... That's not just a technique. That's a divine plane," he muttered. "Even at my peak, breaking this from inside would've been difficult. And now…"
He was a caged god.
Shin smiled coldly and gestured downward with one finger.
"Origin Core: Super Gravitational Collapse."
BOOOOOOM!
A pressure more massive than ten thousand mountains smashed down like divine punishment.
CRACK!
Isshiki crashed to his knees, the earth beneath him fracturing, his bones groaning under the weight. He couldn't stand. Could barely breathe.
Uchiha Shin stood calmly, untouched.
"This isn't some rookie like Kaguya who lets her own jutsu affect her," Shin said. "This gravity—mine—is selective. It obeys only my chakra."
His fingers curled, and chakra danced into his palm.
"Dance of the Shikotsumyaku: Ash Killing Bones!"
Gray-black bone spurs erupted from Shin's hand, cloaked in ancient chakra—the same deathly aura that once radiated from Otsutsuki Kaguya herself.
Isshiki's eyes widened. "That's… that's her technique! The Killing Ash Bones!?"
Impossible.
Such specific Kekkei Mora, especially divine skills like this, were almost never duplicated—even among Otsutsuki. The probability of two separate beings manifesting the same divine jutsu was infinitesimal.
Was he witnessing Kaguya's reincarnation? Had she returned inside this man?
If he hadn't already scouted this reality for chakra signatures, Isshiki might've believed it. But Shin… Shin was something else.
SWISH!
The killing bones shot forward—silent, sharp, inescapable.
Not again!
Isshiki had been hit by this jutsu once before. It bypassed most defense, eroding at a cellular level. He wouldn't risk it.
"Sukunahikona—shrink!"
He shrunk his entire body a thousandfold and evaded, the bone missing him by a millimeter.
"You thought I wouldn't expect that?" Shin laughed darkly.
In the same breath, he twisted the magnetic field inside the sphere.
BOOM!!!
The single killing bone detonated midair, bursting into thousands of microscopic bone needles that rained like a plague of white fire down upon Isshiki's tiny form.
"DAIKOKUTEN!"
Isshiki barked.
With a flicker of black, he summoned a massive black cube—The Box of Eternal Void—and it materialized between him and the bone storm.
THWACK! THWACK! THWACK!
Bone needles tore through the cube's surface, some burrowing several meters in. Yet, the barrier held. Just barely.
As he grew back to full size, Isshiki panted. That jutsu… if it hit, he'd be erased entirely.
But Shin surely couldn't use it again so soon. A jutsu like Killing Ash Bones had to drain an immense amount of chakra. There was no way Shin could cast it back-to-back.
That meant… he had a window. A narrow one.
"DAIKOKUTEN!"
RUMBLE!
A second cube appeared—massive, many stories tall—this time above Shin.
Isshiki magnified its mass a hundredfold. A box weighing hundreds of millions of tons began to fall.
"Crush him. Immobilize him. Prevent him from casting again," Isshiki whispered to himself.
Shin looked up calmly, his eye gleaming.
"Golden Wheel Reincarnation Explosion!"
FWOOOOM!
A golden lightsaber—formed by the Truth-Seeking Orbs under Yin-Yang Release—erupted from his palm, soaring upward.
The moment it clashed with the descending box, it sliced through like divine retribution. Light consumed the sky. Then silence.
The box was severed in two, then obliterated entirely—atomized by the divine force of Shin's technique.
Chunks of chakra dust floated down like snow.
Isshiki's mouth went dry.
This wasn't just a man. This was a monster that had adapted the powers of both the Ōtsutsuki and Uchiha into one devastating entity. His own techniques—daikokuten, sukunahikona, even his dimensional shifts—were being countered one after the other.
He had underestimated this era's shinobi.
And now… it might cost him everything.
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Bonus Chapter - 100 Power Stones