It came from somewhere beneath thought.
A whisper that rose from the depths of the body itself, from a place Gako had not yet fully mapped, and then the world pushed.
There was no seal. No deliberate channeling. The repulsive force simply erupted outward from his body in a silent, invisible wave, and the three White Zetsu who had been half a second from driving wooden spears through his chest were suddenly elsewhere.
They hit the rain-soaked trees with a sound like wet timber splitting. Their pale skin had burst along the edges of the impact. Two of them stayed down. The third hung suspended against the bark for a moment before sliding to the ground, the shapes of its body wrong in several places.
Gako stood still and breathed.
The pain in his right eye arrived a moment later. Sharp and deep, like a coal pressed against the back of the socket. He closed it involuntarily and felt something warm trace a slow line down his cheek beneath the bandage. He reached up. His fingers came away red.
A blood tear. From the Mangekyō.
...........
"Impossible." The White Zetsu leader's voice carried something Gako had not expected from a creature with that face. Genuine shock. Half its body was already being consumed by Tatsuma's insects, black and methodical, spreading across pale skin with quiet efficiency. But its one remaining eye was fixed on Gako. "How can you use that technique?"
It spoke as though addressing a violation of natural law.
"A Sharingan user. Even one who has awakened Mangekyō." It sounded like it was reasoning through something it could not make fit. "You cannot use this technique."
Gako said nothing.
The name had surfaced in his mind the moment the technique discharged, rising up through the body's deep memory like something that had always been there waiting for a reason to be called. He turned it over quietly.
Shinra Tensei.
A gravitational release. Repulsion on a scale that required no physical contact and acknowledged no seals. In the language of the Tao World it would have been classified as a domain-level technique, something that reached into the fundamental rules of space and matter rather than working within them.
He had not consciously activated it. The Mangekyō had found it on its own, responding to the pressure of the moment through some pathway he did not yet understand.
That was worth thinking about carefully.
...........
The surviving White Zetsu were neutralized quickly once the Root operatives recovered from their shock. The expressions on the creatures' faces were identical as they fell. Not pain. Not anger. Something that looked almost like the disruption of a certainty they had carried for a very long time.
Gako understood why, once he found the relevant thread in the body's inherited memories.
These creatures had existed since the era of myth. Most of that time had worn their recollections thin. But everything connected to the Rinnegan had been carved into them at a depth that did not fade. The technique he had just used without seals, without preparation, was something they had seen performed by only two figures across the entire span of their existence.
Rikudo Sennin.
Uchiha Madara.
He filed that alongside the other things that required further examination.
...........
Tatsuma arrived at his shoulder, insects returning to their host in a quiet dark tide. The man's chakra, Gako noticed, was not depleted. It was, if anything, slightly elevated. The insects had fed on the White Zetsu and returned that energy to their host. A closed circuit. Efficient in a way that Gako found genuinely interesting.
"Any survivors?" Gako accepted a strip of white cloth from the nearest Root operative and pressed it carefully against his right eye, then rewound the bandage over it. The Mangekyō went back into darkness. He could feel its presence even through the layers of cloth, like a heat source that had not fully cooled.
"We're still in enemy territory, Danzo-sama." Tatsuma's voice carried the particular flatness of a man delivering a practical assessment rather than an excuse. "Prisoners would slow us significantly."
"I know." Gako looked at the ground where the White Zetsu had been, or rather at the absence of anything on that ground. Not even a stain. The insects had been thorough. "I had a feeling those clones were carrying information worth having."
He touched the bandage over his right eye gently.
The technique had discharged without his direction. The body had done something he had not commanded, drawing on a power that by every measure should have required the Rinnegan to access. He felt both the pull of that mystery and the edge of something cautionary beneath it, the awareness that forces operating outside your understanding were not the same as forces operating in your favor.
...........
He had, he acknowledged to himself, underestimated this world's energy system.
When he first settled into this body, his initial assessment had been reasonable. Danzo was powerful by the standards of the shinobi world, below only the handful of individuals who carried the title of Kage. And Gako had absorbed him with minimal resistance. That had suggested a ceiling he could work within and eventually exceed.
But the Rinnegan was something else entirely.
What he had felt radiating from the red-haired young man in the gorge, and what he felt now echoing through his own right eye, carried the signature of something he had encountered only in the most ancient and significant locations of the Tao World. Shrines where the fundamental laws of reality had been inscribed rather than merely observed. Power that did not flow through a practitioner so much as manifest through them.
Doujutsu, the memory of this body called them. Eye techniques. The word felt insufficient.
These were not techniques. They were conditions of existence. Alignments with laws that governed the world at its foundation.
Even at the height of his power in his previous life, encountering something like this without preparation would have placed him in genuine danger.
...........
He let the thought settle and then set it aside.
The mystery of this world's power will reveal itself in time. My time.
"Tatsuma." He began walking. The rain continued its fine, indifferent persistence against the canopy above. "Send word ahead to Orochimaru. Tell him to meet us at the border."
Tatsuma stopped walking.
The pause was brief but complete. "Orochimaru-sama is currently deployed on the front lines in the Land of Earth. Recalling him could compromise Konoha's entire defensive position on that front."
"Your information is behind the current situation," Gako said without turning. "Minato destroyed the Kannabi Bridge. Without that supply line, Ōnoki cannot sustain his campaign regardless of his stubbornness. The Land of Earth front is effectively finished. Orochimaru is no longer needed there."
Another silence.
Then Tatsuma said the name quietly, as though it carried weight that required respect in the handling.
"Minato."
Something moved through the older man's expression. Not quite sorrow. The particular tiredness of someone who has watched talent surpass them and found they cannot entirely resent it.
"We really are getting old," he said, mostly to himself.
He glanced sideways at Gako with a look that was almost awkward, remembering something. The original Danzo had not been comfortable with exceptional youth. It had been a known quality of the man, his unease around those whose gifts exceeded his own trajectory.
Gako caught the look and understood it.
"This Orochimaru," he said, with the cold amusement that came naturally from the body's habitual expressions, "has made all that discomfort irrelevant."
Tatsuma took his leave without further comment and disappeared into the trees.
...........
The remainder of the journey passed without incident.
When Orochimaru arrived at the border to meet them, he allowed himself several small observations about the state of the group and the evidence of what they had survived, delivered with the particular pleasantness of someone who found other people's difficulty mildly entertaining. Gako noted the intelligence behind the golden eyes and filed it carefully under things that required watching.
...........
The tall tower in the Land of Rain stood against the grey sky, its iron door open.
Three figures in black cloaks marked with red clouds moved through the entrance. The one in the white swirling mask spoke with quiet satisfaction, the tone of someone whose prediction had proven correct.
"I told you."
Nagato sat half-submerged in the mechanical frame that supported his broken body, Rinnegan eyes glowing with deep purple light. His face held the particular stillness of a man who has finished grieving and arrived somewhere on the other side of it.
"Yes," he said. "I finally understand. The desire for peace breeds war. The desire to protect love breeds hatred." The words came out without heat, without bitterness, stated as simple observation. "There is no true peace in this world."
Obito said nothing. Beside him, Zetsu's expression was unreadable and unchanging. Both of them understood that what they had come to accomplish was accomplished.
Obito's right eye began to distort, the space around it pulling inward like water finding a drain, drawing his body through and away. Zetsu sank into the floor without sound.
...........
Konan did not watch them leave.
She walked to Nagato's side slowly, her expression composed into something that had moved past cold into something quieter and more permanent. She looked at him for a long moment.
Yahiko was gone.
The organization they had built from nothing, from belief and rain and shared exhaustion, was gone.
The dream of peace they had carried since childhood, sheltered between the three of them like a flame against the wind, had been extinguished in a single afternoon on a muddy road.
Now there was only this. Only him.
She stood beside him in the dim light of the tower and did not speak, because there was nothing left to say that the silence did not already contain.