Pious Defiance

(Fiendish Codex II: Tyrants of the Nine Hells, page 85, DnD 3.5)

[Divine]

You can channel positive or negative energy to firm your resolve.

Prerequisite

Ability to turn or rebuke undead

Benefit

You can spend a turn or rebuke attempt as an immediate action to gain a bonus on Will saves equal to 1/2 your character level for 1 round