Divine Vengeance

(Defenders of the Faith: A Guidebook to Clerics and Paladins, page 20, DnD 3.0)

[Divine]

You can channel energy to deal additional damage against undead in melee.

Prerequisite

Extra Turning, Ability to turn undead

Benefit

Spend one of your turn undead attempts to add 2d6 points of sacred energy damage to all your successful melee attacks against undead until the end of your next action.