Wtf, how can you call yourself an assassin. You just pricked him with the knife.Jump over that ice blast and give him a rapid slash attack!
Eat the rotten flesh of the man.ALL OF IT.
shoot him with your mind bullets and wonder where the forget that pistol came from
Don't give any food then dodge his bullets then kick him in the balls
Meditation so you can mentally tap into the interface of the universe and learn how to stop bullets with your mind.
realize that the food is people