"You can activate Susanoo with your Three-Tomoe Sharingan. I'm glad to see it. It's given your fighting strength a tremendous boost.
"But you need to understand that the Uchiha Clan's Sharingan has its problems, especially the Mangekyō Sharingan. Awakening it can make an Uchiha's emotions unstable and even drive them to extremes," Mito Uzumaki warned Uchiha Yi. "Wood Release works well with the Sage Body, but you still need to avoid certain pitfalls.
"Don't drain your Chakra the way Hashirama did. You're still young, and your talent surpasses even Hashirama's and Madara Uchiha's. Even if you can't beat them now, you'll certainly surpass them one day."
"I know, Grandma Mito." Uchiha Yi thought Wood Release and the Sharingan might actually be powers inherited from the Ten-Tails. Even the Uzumaki Clan's Binding Chains came from it.
Strictly speaking, Hagoromo Otsutsuki's power owed more to the Ten-Tails, while Hamura Otsutsuki's power was more like Kaguya Ōtsutsuki's.
That was why the Nine-Tails was suppressed by the powers of the Uchiha Clan, the Senju Clan, and even the Uzumaki Clan. Those powers all came from the Ten-Tails, which was the natural bane of Tailed Beasts like them.
In the past, however talented Uchiha Yi had been, he hadn't been confident he could develop Wood Release. Now things were different. He had the most authentic Sage Body. He hadn't handled his water- and earth-nature Chakra particularly well before, but Asura's physique had given him mastery over both. Together with his Yang Release pushed to its limit, Wood Release posed no real obstacle to him.
If anything, Uchiha Yi now resembled Hashirama Senju more.
After all, the Dōjutsu of Uchiha Yi's Mangekyō Sharingan had yet to awaken.
Then again, strictly speaking, Uchiha Yi resembled the Ōtsutsuki Clan most of all.
He wondered whether the Great Toad