BelievesItsNotButter
Member
At first I always assumed Kakashi's MS was unlocked by killing Rin. There has never been anything said about her death and yet we know she is dead. We have also seen flashbacks of Rin and Obito whenever Kakashi talks about losing people special to him and it is known that MS is unlocked by killing the closest person to sharigan user. However, I always felt there was something off about that because I couldn't figure out why Kakashi would kill her.
However, now that we know where Tobi got his eye, it is probably safe to assume it is Obito's other eye. This leads me to believe that is may not be Kakashi who unlocked MS but rather Tobi. It may be possible that sharingans unlock MS as a pair whether or not they are possessed by the same person. I believe that Tobi may have killed the closest person to him while in possession of Obito's right eye and unlocking MS in both. I know many of you my start saying at this point that Kakashi would then question why he gained MS but I would like to point out that how MS is unlocked is not common knowledge. Very few uchiha's ever learned/unlocked this ability. We only ever learned about how it was doing from Itachi and he had to read the stone tablet to find out. Kakashi may have just achieved the ability in battle and may have just assumed it was an evolution of the eye through battle.
TL;DR Kakashi may have gained MS by Tobi possessing Obito's right eye and killing his closest friend since the eyes are linked
However, now that we know where Tobi got his eye, it is probably safe to assume it is Obito's other eye. This leads me to believe that is may not be Kakashi who unlocked MS but rather Tobi. It may be possible that sharingans unlock MS as a pair whether or not they are possessed by the same person. I believe that Tobi may have killed the closest person to him while in possession of Obito's right eye and unlocking MS in both. I know many of you my start saying at this point that Kakashi would then question why he gained MS but I would like to point out that how MS is unlocked is not common knowledge. Very few uchiha's ever learned/unlocked this ability. We only ever learned about how it was doing from Itachi and he had to read the stone tablet to find out. Kakashi may have just achieved the ability in battle and may have just assumed it was an evolution of the eye through battle.
TL;DR Kakashi may have gained MS by Tobi possessing Obito's right eye and killing his closest friend since the eyes are linked