Holy Radiance
( Book of Exalted Deeds, p. 44)[Exalted]
You can increase the intensity of the light surrounding you to damage undead creatures.
Prerequisite
Nimbus of Light (BE) , CHA 15,
Benefit
At will, as a free action, you can empower the radiance surrounding you into a blazing glow that sheds bright light in a 10-foot radius (and shadowy illumination out to 20 feet). Undead within 10 feet of you take 1d4 points of damage per round they remain within your halo.