Unnatural Will( Heroes of Horror, p. 124)
You have learned to focus your force of personality and inner strength to stand against fearful circumstances.
Iron Will (PH) , Charisma 12,
Add your Charisma modifier to all Will saves against fear effects. This bonus stacks with any Wisdom bonus you might have to Will saves.
This feat is used by dread witches to resist the negative effects of fear while still empowering their mystical abilities.