Limbo: Border Jail

In Madara's left eye, the concentric rings of the Rinnegan began to turn in a peculiar rhythm—not the rapid spinning of battle, but a deeper, slower rotation, as if chanting an ancient incantation. At his feet, his shadow began to sway.

Limbo: Border Jail.

This was a technique only Rinnegan wielders could use, projecting their "shadow," which existed in the cracks between worlds, into reality. The shadow could not be seen with the naked eye or sensed in any way; only the Rinnegan could make out its outline. Its strength was nearly equal to that of the original body. It could attack, defend, and launch surprise assaults from any angle.

Madara's shadow rose from the ground. Its outline was indistinct, like a mass of black smoke kneaded into human form. Soundlessly, it moved outward, so fast it seemed to leap through space.

The Demonic Statue of the Outer Path opened its mouth wider. Ten purple-black Chakra chains shot from that pitch-black maw. Their surfaces were covered in dense, scale-like patterns that flickered continuously as the chains moved, producing a deep sound like a heartbeat.

Naruto stood in the distance, Nine-Tails' golden Chakra burning across his body. His eyes were fixed on those chains, on the direction of their ends—where the nine Tailed Beasts were.

Kurama's voice exploded in Naruto's mind. "Naruto! Those chains are made specifically to seal Tailed Beasts! Don't let them touch—"

He did not finish. One chain had already wrapped around the Nine-Tails' neck. It had not come from the front, but from the side—there had been no warning in Naruto's senses. The chain seemed to appear beside him out of nowhere, slipping past his Nine-Tails Chakra cloak and fastening directly onto the Nine-Tails' Chakra body.

Kurama let out a deep, furious roar. Its body struggled violently