Traveling back to the Warring States Period of Naruto, he blocked Senju Tobirama's Flying Thunder God Slash with his bare hands at the beginning, and saved Uchiha Senna.
With his endless lifespan, from the Warring States Period to Konoha and then to the Fourth Ninja War, he witnessed the vicissitudes of the ninja world and silently guarded the inheritance of the Uchiha clan.
