Board Thread:Naruto Discussions/@comment-28136690-20160516153035/@comment-25122992-20160516191133

Hagoromo and Hamura didn't have any reincarnation cycles. Actually, they just don't need them cause they are able to transcend time and space as chakra images and appear before their ancestors without this. Indra and Asura have a diluted version of this ablitity, which resulted in their chakra and will to be transcended as well, but it didn't keep their personalities and was meant only to contunie their feud. In fact, Indra and Asura are the only people involved in reincarnation cycle, we don't have any cases except them.