When you cast this spell, you can assume the form of a Medium air, earth, fire, or water Elemental. The abilities you gain depend upon the Elemental.

Air Elemental: If the form you take is that of a Medium air Elemental, you gain a +4 size bonus to your Dexterity and a +3 natural armor bonus. You also gain fly 60 feet (perfect), Darkvision 60 feet, and the ability to create a Whirlwind.

Earth Elemental: If the form you take is that of a Medium earth Elemental, you gain a +4 size bonus to your Strength and a +5 natural armor bonus. You also gain Darkvision 60 feet, and the ability to Earth Glide.

Fire Elemental: If the form you take is that of a Medium fire Elemental, you gain a +4 size bonus to your Dexterity and a +3 natural armor bonus. You gain Darkvision 60 feet, resist fire 20, vulnerability to cold, and the burn ability.

Water Elemental: If the form you take is that of a Medium water Elemental, you gain a +4 size bonus to your Constitution and a +5 natural armor bonus. You also gain swim 60 feet, Darkvision 60 feet, the ability to create a Vortex, and the ability to breathe water.