Board Thread:Episode Discussions/@comment-25787298-20160519120227/@comment-4912646-20160522220718

Bob1200 wrote: Actually Rinnegan Is Acquired Via Sharingan And Hagoromo's Chakra, As It Was Stated That Mixing Indra And Ashura's Chakra Recreates Hagoromo's Chakra. Technically it was never confirmed by Hagoromo that the Sharingan is required to awaken the Rinnegan, that was just Kabuto's assumption. But of course it is a logical conclusion, especially given the latest filler episode.