Board Thread:Naruto Discussions/@comment-30963060-20170105232737/@comment-4080775-20170109210220

All my bets on Orochimaru. By the time Obito lost the Tailed Beasts, he was a Juubi Jin. Also by that time, Orochimaru was already restored to normal and had restored his arms. So, Orochimaru not only has the body of a Juubi Jin and Six Paths Chakra, but Sakon and Ukon's KG, Shikotsumyaku, Jugo's Clan's KG, and Wood Release.

Just imagine the stuff he could pull off with that kind of combined power.