Board Thread:Theories and Speculation/@comment-1872728-20160404064008/@comment-734582-20160404085221

Georgio722 wrote: 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. To be clear, for EMS not all Mangekyou in general work. Only the MS of a close relative can turn into an EMS.