This spell transforms a willing creature into an animal, humanoid or elemental of your choosing; the spell has no effect on unwilling creatures, nor can the creature being targeted by this spell influence the new form assumed (apart from conveying its wishes, if any, to you verbally).

If you use this spell to cause the target to assume the form of any Tiny, Small, Medium or Large creature of the animal type. If the form assumed has any of the following abilities, the subject gains the listed ability: climb 60 feet, fly 60 feet (good maneuverability), swim 60 feet, darkvision 60 feet, low-light vision, scent, grab, pounce, and trip.

Tiny animal: If the form taken is that of a Tiny animal, the target gains a +4 size bonus to Dexterity, a –2 penalty to Strength, and a +1 natural armor bonus.

Small animal: If the form taken is that of a Small animal, the target gains a +2 size bonus to Dexterity and a +1 natural armor bonus.

Medium animal: If the form taken is that of a Medium animal, the target gains a +2 size bonus to your Strength and a +2 natural armor bonus.

Large animal: If the form taken is that of a Large animal, the target gains a +4 size bonus to Strength, a –2 penalty to Dexterity, and a +4 natural armor bonus.

If the form is that of an elemental, the target assumes the form of a Small air, earth, fire, or water elemental. The abilities gained depend upon the type of elemental into which the target is changed.

Air elemental: If the form taken is that of a Small air elemental, the target gains a +2 size bonus to Dexterity and a +2 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 taken is that of a Small earth elemental, the target gains a +2 size bonus to Strength and a +4 natural armor bonus. You also gain darkvision 60 feet, and the ability to earth glide.

Fire elemental: If the form taken is that of a Small fire elemental, the target gains a +2 size bonus to Dexterity and a +2 natural armor bonus. You gain darkvision 60 feet, resist fire 20, vulnerability to cold, and the burn ability.

Water elemental: If the form taken is that of a Small water elemental, the target gains a +2 size bonus to Constitution and a +4 natural armor bonus. You also gain swim 60 feet, darkvision 60 feet, the ability to create a vortex, and the ability to breathe water.

If the form is that of a humanoid, the target assumes the form of any Small or Medium creature of the humanoid type. If the form assumed has any of the following abilities, the target gains the listed ability: darkvision 60 feet, low-light vision, scent, and swim 30 feet.

Small creature: If the form taken is that of a Small humanoid, the target gains a +2 size bonus to Dexterity.

Medium creature: If the form you take is that of a Medium humanoid, the target gains a +2 size bonus to Strength.

The subject may choose to resume its normal form as a full-round action; doing so ends the spell for that subject.