Board Thread:Versus Debates/@comment-5936871-20160126112547/@comment-26369387-20160205203041

^Kakashi had Sharingan and he didn't saw Shinra Tensei's shockwave.

Also, Nagato had Human Path constantly activated when he used Preta Path and Asura Path against Naruto and B. Not to mention Asura Path was still activated when Nagato was using Chibaku Tensei(in other words Deva Path), meaning he can use Six Paths simultaneously.