Board Thread:Naruto Discussions/@comment-34436445-20180627113230/@comment-26636534-20180628132452

I forgot about the Sharingan easy eye transplant ability. Anyone can have a Sharingan transplanted in their eye socket, with zero chance of rejection. Uchiha gain the added advantage of having minimal drain on their chakra reserves as well. Furthermore, Uchiha siblings have the added bonus of transplanting each others MS to gain the EMS, which voids all the previous limitations and disadvantages.

Even restoring eyesight for whatever reason. All hax.