Brain Worms

Your blade pierces his heart and the man reels against the dungeon wall before collapsing against the floor. A few seconds of labored gasping and then perfect silence. You start looting the body. Sixteen silver and a bag of marbles. You start to roll him over but suddenly the corpse’s jaw cracks wide as something pushes its way out of his mouth, plops onto the floor, and slithers away into the…