Sharingan is one of the three great dōjutsu. It is the second most powerful dōjutsu after the Rinnegan. The Sharingan is belongs to the Uchiha clan.
So, today I have compiled seven amazing facts about Sharingan.
7. In the novel,Itachi Shinden: Book of Bright Light, activating the Sharingan is described as dyeing the user’s vision red, in addition to allowing them to see chakra.