UnGames:You Have Sinned/Throw knife

You take the knife out of your back. It is rusty and serrated and hurts like a bitch. But you do it, and just in time, for the hobo is on his way, and he is ANGRY. You throw the knife. It almost misses his neck, but slashes his jugular vein, blood gushing out like the Mississippi River. But before he dies, the hobo has one more trick up his sleeve. He casts a Fire spell at you! What do you retaliate with?

>>Cast Protect

>>Cast Shell

>>Cast Water, that should put it out