Board Thread:Versus Debates/@comment-26998824-20151011185829/@comment-24824859-20151029212254

BakumatsuWarrior wrote: I think it's safe to assume that Shisui did indeed possess a Susanoo. It's mentioned in the manga that those who awaken the Mangekyo in both their eyes can access Susanoo. Obito/Kakashi's Perfect Susanoo is a case in point. So although it's not canon yet, the probability is very high. Obito said it was rare though. If Shisui did have Susanoo, then people would have heard stories about it along with his skill with the BFK and Koto