Board Thread:Theories and Speculation/@comment-890307-20161205161301/@comment-734582-20161219125455

Ravenlot 27 wrote: The whole "merging" theory is technically one big assumption I'd be far more accepting of that theory, if it weren't for the fact that nothing like this was shown. Eyes are physically transplanted to gain power all the time. Kakashi didn't just fuse his eyes with Obito's. Nagato didn't fuse his eyes with the Rinnegan. Nothing like this eye fusion is ever shown.

Why would the EMS then be the exception? Why would it go against the trend?