Board Thread:Theories and Speculation/@comment-1872728-20160404064008/@comment-1872728-20160404083447

Thekillman wrote: Else one could produce infinite Sharingan by endlessly transplanting regular eyes into an Uchiha who awoke Sharingan, and this would be so powerful, if it were possible it would've been done already. But the thing is, it can only be manifested in the eyes of a sibling or a very close relative, so not all regular eyes work right? In fact, these close relatives already have the Sharingan, or the ability to awaken one, as they have Uchiha blood as well.