Board Thread:Naruto Discussions/@comment-34436445-20180703141210/@comment-33485854-20180705011143

UltimaDude wrote: Littlegen wrote: Madara couldn't awaken it until he retrieved his Rinnegan. I don't believe it had anything to do with having two eyes necessarily. It was desperately trying to get his other Rinnegan. Once he got it he immediately flew up in the air and awakened the Rinne-Sharingan

Madara's Rinnegan was the two Rinnegan. Sasuke's Rinnegan is the one Rinnegan. That's why I said I thought it was weaker vatrient of Kaguya's. Rinne Sharingan but thats head cannon.