Elemental Body IV (Fire)

You are in huge fire elemental form now. You have a +6 size bonus to your Dexterity, a +4 size bonus to your Constitution, a +4 natural armor bonus to AC, resist fire 20, and vulnerability to cold. You also have two 2d6 slam attacks and the burn ability. You are immune to critical hits and sneak attacks and have DR 5/—. Your movement speed is increased by 20 feet.