Board Thread:Theories and Speculation/@comment-1512913-20150221101637/@comment-6769189-20150223173627

Obito could barely handle the 1 Rinnegan, so using what is essentially the next level is definitely not gonna happen. The second Rinnegan put Madara at full power. Its possible that if someone was strong enough they could obtain the Rinne Sharingan as long as they had the 10 Tails, Shinju, and Kaguya