the user can make the target think they have been sliced across their solar plexus, which causes them to loose alot of blood and alot of damage which could make them loose consiousness, or that their legs have been pierced to make running 
how i would defend? tbh If you cut me anywhere, i would quickly go to cover it with my hand to apply pressure and stop the bleeding, this would happen almost instinctively. Than I'd feel nothing there, and know it's a genjutsu >_>
how i would defend? tbh If you cut me anywhere, i would quickly go to cover it with my hand to apply pressure and stop the bleeding, this would happen almost instinctively. Than I'd feel nothing there, and know it's a genjutsu >_>