Board Thread:Naruto Discussions/@comment-24898250-20140730025315/@comment-3038994-20140806134731

I was not expecting the double Mangekyō PLUS (Perfect?!) Susanoo. Although it does kind of go along with Naruto and Sasuke's temporary power ups.

This also seems like the final nail in the coffin that proves you don't need Amaterasu and Tsukuyomi to awaken Susanoo.