Divine Cleansing( Complete Warrior, p. 106)
You can channel energy to improve your allies' ability to resist attacks against their vitality and health.
Turn or rebuke undead ability,
Divine Resistance (CW) ,
As a standard action, you can spend one of your turn or rebuke undead attempts to grant all allies (including yourself) within a 60-foot burst a +2 sacred bonus on Fortitude saving throws for a number of rounds equal to your Charisma modifIer.