Board Thread:Naruto Discussions/@comment-26320638-20150422140407/@comment-6769189-20150423023006

The Databook says he was responsible for Sasukes Rinnegan. You dont beed both transmigrants chakra if you can just get it from the main guy. Naruto understanding all things was because of the 6PP mode.

Kakashi was using that on reserve. Obito was literally inside of him.