Slayer III Achievement
Defeat the Torso Boss without dying (Lost Island).As soon as the fight starts save, that way if you die you can just reload the save and try again. To defeat the torso boss you have to shoot it until its rage bar is full then perform an adrenaline attack on it making it get its hand stuck into the ground. When this happens shoot the arm until it falls off. Then when you do this shoot it until its rage is full then perform an adrenaline attack on it but make sure you're standing in front on the ledge. When you do this it will be hanging onto the ledge for about 15 seconds. Shoot the hand until it falls off, it may take a few tries before it loses its grip.