The relentless exchanges left Hagoromo Otsutsuki mentally exhausted.
Uchiha Yi was, without question, the most troublesome opponent Hagoromo had faced since birth. Kaguya Ōtsutsuki had been different.
When Kaguya fought him, she had held back, afraid she might accidentally kill him.
Uchiha Yi, though, put Hagoromo under crushing pressure.
At the same time, Uchiha Yi could not help marveling at Hagoromo. What did it mean to be a genius? Hagoromo was the very definition.
Hagoromo had no Ninja combat system to draw on, but most Ninjutsu came to him effortlessly.
He did not even need Hand Seals. Once he grasped the essence of a technique, a single thought was enough to master it. Hagoromo was a genius, a true genius.
If he lacked a combat system, he would learn one in battle.
Uchiha Yi could clearly feel Hagoromo growing stronger before his eyes as they fought.
He really was the legendary Sage of Six Paths. With his current strength, Uchiha Yi could declare, "You're as weak as the Six Paths."
Well, this man was the actual Sage of Six Paths.
Unlike Hagoromo, Kaguya had disdained learning how humans fought. Even after battling Naruto Uzumaki and Sasuke Uchiha for so long, her fighting skills had not improved in the slightest. She had needed Black Zetsu to keep telling her how to fight.
Those two were each worse than the other.
Hagoromo, however, kept learning from Uchiha Yi as they fought.
It was not just how Uchiha Yi used the powers of the Six Paths. Hagoromo was soaking up the entire Ninja combat system like a parched sponge.
Uchiha Yi did not mind letting Hagoromo learn from him. Anything Hagoromo picked up in the Battle Space would be useless outside it.
Hagoromo still lagged behind him in raw strength, and once they