- Type of feat: General.
- Prerequisite: None.
- Required for: Harper agent, Indomitable Soul, Epic Will
- Specifics: +2 bonus to all Will saving throws due to increased mental focus.
- Use: Automatic
Special: A Badger, Brown bear, and Giant spider animal companion will receive Iron will for free at 5th level allowing them a higher will saving throw bonus than some of the other pets.
Clerics with the Law domain receive this feat for free at first level.