Judging by the original storyline, the threat posed by those Otsutsuki from outer space was still fifteen to twenty years away. In the meantime, the Shinobi World would remain almost entirely peaceful.
One day, Uchiha Sora finally made up his mind to seek out other worlds.
Fugaku's disappearance all those years ago had been caused by the Dragon Vein's power to warp spacetime.
So Uchiha Sora went to the site of Rōran and stood there, quietly sensing his surroundings.
Although he had already absorbed the Dragon Vein's energy here, Fugaku had disappeared in this place. No matter how much time had passed, some traces of that event would still linger in its spacetime.
Activating the Rinnegan in both eyes, Uchiha Sora combined his chakra, which had long since reached its peak, with Sage Mode and pushed his abilities to their limit.
His Rinnegan wielded a special power over spacetime, linking him to the spacetime of this place.
In his perception, the spacetimes connected to his current world seemed endless, like a book whose pages could never be exhausted, each page a different parallel spacetime.
Here, Uchiha Sora easily sensed the spacetime of the Warring States Period he had visited before. If he wished, he could effortlessly tear open space and travel there.
But he did not do so. Instead, he kept searching.
Time passed little by little. In the blink of an eye, Uchiha Sora had spent three days probing spacetime.
Throughout the process, his power showed no signs of running dry, and his ocular power remained abundant.
Clearly, Uchiha Sora was even stronger now than he had been during his great battle with Isshiki.
"Uchiha Sora, the power of spacetime is not so easily fathomed. Though your Rinnegan possesses abilities over spacetime, they are still insufficient. I have recovered