Board Thread:Theories and Speculation/@comment-3001903-20151205022433/@comment-734582-20151210203114

GreatestSin wrote: but you only need the feeling of "loss", not do the act yourself, that means it is also possible for obito to awaken the MS and kakashi got the effect too since the eyes are connected ^_^ I don't really understand your point. Kakashi and Obito both felt the loss and both awoke the Mangekyou. If Kakashi felt a strong loss with Sasuke leaving, it may indeed spark his Mangekyou (especially since, like sasuke and his sharingan, he doesn't remember awakening it)