Immutable Form makes the wearer immune to effects like 
Polymorphed. Furthermore, gets a +5 bonus to Saving Throws against effects like 
.
Description
Spells that alter someone's form have no effect on the affected entity, and it has a +5 bonus to 
Saving throws against spells that would remove it from this plane.
How to learn
Used by creatures: Ansur, Flesh, Orin, Steel Watcher (creature), Hellfire Watcher, and Ketheric Thorm