Board Thread:Naruto Discussions/@comment-24514198-20140604211103/@comment-5110462-20140611132512

Actionmanrandell wrote:

they kind of half ass explained about obito and kamui. the Rinnegan was to powerful and as such he had to conserve his energy as much as possible

Thats just speculation, it is not confirmed. Obito said being the juubi's host makes him unable to "slip" through things

He didn't say nothing about a rinnegan