Board Thread:Versus Debates/@comment-30830650-20170125144949/@comment-3965545-20170211153524

Like Kakashisologod said, Ameno and his space time tech are his own unique Rinnegan abilities, the same way Madara has Limbo and Tengai Shinsei. Same pattern as the Mangekyo, each user gets two unique techs for each Rinnegan eye it seems. Sasuke's Mangekyo abilities are in his Rinnegan.