Madara transplanted his eyes into Nagato,soon after he had awakened his rinnegan from his EMS,then why wasn't Pain/nagato able to access the EMS along with the rinnegan ?
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EMS turned into Rinnegan,its the same pair of eyes...Hes not an Uchiha. And only Rinnegan was Transferred .
When EMS become Rinnegan it can't go back to EMS, it stays on RinneganMadara transplanted his eyes into Nagato,soon after he had awakened his rinnegan from his EMS,then why wasn't Pain/nagato able to access the EMS along with the rinnegan ?
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Kakashis eyes were implanted but he could go from sharingan to msyou have to naturally unlock ren to be able to switch, nagatos eyes were implanted so he couldnt switch
Nope the mist guy (Ao) could use the byakugan at will,i'm not sure but he had some special seal placed on it too ,to prevent others from stealing it from him.guess you cant change it if you didn't unlock it, I mean kakashi and danzo had to stick with the sharingan, nagato and obito with the rinnegan, that mist guy with the byakugan etc