Describe in detail the complete fight between Butler and the troll.

The troll stumbles forward, sniffing the air. Its snout points directly to the spot where Butler and Juliet are. It does not bother with a stealthy approach but goes directly for them. Butler shoots his gun at the creature, hitting him in the chest. The beast's tusks slice through Butler's Kevlar jacket and pierce his chest. Butler knows the wound is fatal but the poison in the tusks is making him feel euphoric. The troll flips Butler over his head and Butler hits the wall, breaking some of his bones.