Board Thread:Theories and Speculation/@comment-26894845-20151212061943/@comment-1512913-20151212132406

Even though Obito didn't get the Rinnegan, I don't think it's impossible that Indra/Asura descended individuals can get it, it's just less likely.

For example Toneri got the Tenseigan by merging his and Hanabi's chakras to recreate Hamura's power.