Board Thread:Boruto: Naruto the Movie/@comment-26010916-20150806143152/@comment-734582-20150816115902

Bob1200 wrote: Not Only Hate Can Be Used To Unlock It Though, lol. Sarada Unlocked Hers Through Joy Remember? Please don't write lol after every message. Feels like i'm talking to an 8 year old, and i have better things to do than discuss things with an 8-year old.

Sarada also felt anger for everyone's secrecy and Sasuke's absence. Hate is the primary emotion for the Sharingan. Tobirama even explained so.