Board Thread:Theories and Speculation/@comment-30355627-20161218164138/@comment-1512913-20161220144535

Well, I think the powers of Sharingan and Rinnegan are merged in Sasuke's eye, meaning prowess and powers of both are there at the same time, but they are not dependent on each other. When Mangekyou Sharingan in deactivated, Sasuke's eye simply reverts to an ordinary Rinnegan.