Board Thread:Naruto Discussions/@comment-24824148-20160724215526/@comment-24824859-20160729215327

JOA20 wrote: They're the conditions we know of. I'd add a third one: having Indra's chakra. Madara and Sasuke were the only ones who could undergo the trasplant succesfully, which is rather weird. It's just more of a coincidence. Had Izuna and Itachi transplanted their brothers' MS into their eyes, they would've unlocked the EMS