Sarada needs the Rinnegan if she wants to scale up to the stronger enemies in Boruto. She could obtain this power.

The Sharingan is definitely the most complicated ... since he has combined its power with many of his other abilities, for ...

While his mastery of Chidori and Sharingan deem him a prodigy, Sasuke's mastery of Taijutsu in Naruto overshadows Zoro's fights in One Piece.