Sasuke Fear is a 50% it cant be returned or dodged, however it does not increase mystery cooldown all it does is makes it where you can not attack again in that round and that ninja who is fear can't gain a buff (ex. if fm uses his mystery it wont remove it and that ninja wont gain the shield), debuffs only work on the other ninja, but the fear passive does work. its just depends if you have more control than the other person your fighting