Board Thread:Theories and Speculation/@comment-25132842-20180312025951/@comment-25132842-20180321014305

Daboiwunda wrote: the thing about the MS and going blind is it seems to only happen when using susanoo." Not really, because when Sasuke was using Amaterasu and Kagatsuchi, his eyes were also bleeding. I think all aspects of the Mangekyo degrade vision. Besides, certain ninja have shown themselves able to use Susanoo without activating the Mangekyo, so long as they have the Mangekyo available.