Having crossed over, he became Dark Asura.
In Uchiha Yue's mind, he had changed the history of the Naruto world. Yet while he battled the Death God in that mysterious, bizarre space, the course of history seemed to be manipulated by someone and returned to its original track.
It was just that the current history differed slightly from that of the original Naruto story.
It had been one year since the outbreak of the Dark Asura War, and likewise one year since the Shinobi World had enjoyed temporary peace.
Uchiha Yue's sudden appearance had temporarily brought the Third Shinobi World War to an end. Everyone feared Dark Asura's power, and thus the war had gradually entered its final phase. Yet only a year after Uchiha Yue disappeared, the Third Shinobi World War began anew.
Moreover, this phase of the war was a campaign in which the Four Great Shinobi Villages joined forces in an attempt to destroy Konoha!
Why?
The reason lay with Uchiha Yue—with Dark Asura's overwhelming might.
Possessing the power to destroy the Shinobi World, Uchiha Yue was revered as Dark Asura, a demonic god of world destruction. Therefore, throughout the full year of Uchiha Yue's disappearance, every shinobi village and every ninja feared his power. And Uchiha Yue's disappearance only deepened that fear, because no one knew when he might return to the Shinobi World. Thus, these villages and these ninja came up with a way to eliminate the threat forever: destroy the Uchiha Clan!
Only by destroying the Uchiha Clan could Dark Asura vanish forever!
Because if the Uchiha Clan continued to exist...
Then Dark Asura would sooner or later be revived and once again run rampant through the Shinobi World!
Of course, neither Uchiha Yue nor Orochimaru knew where such a ridiculous claim had first