Traveling through the Warring States Period, Naruto activates the sign-in system when he is near death at the beginning.
During the bloody battle between Madara and Hashirama, he signed up for ten shadow spells; during the battle in the Valley of the End, he signed into the subspace to feign death and escape. Secretly watching the Zen family move west to Iwagakure, the bloodline awakens a successor of shadow magic every ten years and passes it down to six generations.
During the Fourth Ninja World War, the reincarnation of the dirty land was out of control. He tore apart space and descended - suppressing the entire scene, ending the era of the Ninja Village, and overthrowing Otsutsuki.
Hibernating for thousands of years, just for today. From now on, I am the master of the ninja world.
