Board Thread:Naruto Discussions/@comment-26403664-20160228225013/@comment-734582-20160314223358

JouXIII wrote: @Tasuxeda Except Kakashi also had Six Paths Chakra at the time. Agreed. Itachi doesn't have PS. Never shown to use it, so he doesn't have it. If he awoke EMS he probably would eventually get PS.

I also want to mention that Itachi has a regular Mangekyou. So he can't really use his techniques often, and his eyesight degrades rapidly upon use. Maybe if he had EMS he would've been a true force of reckoning, but with a regular Mangeyou he doesn't transcend Kage level.