Neverwinter Nights 2 Feats Database: Feat Details
Sacred Vengeance
Feat ID: 1384
Type of Feat: Divine
Use: Selected
Prerequisite: Blackguard, Cleric, or Paladin
Cooldown: 6 seconds
Previous Feat(s) Required: Error: 500 Internal Server Error
Installation: Neverwinter Nights (Base)

You can spend one of your turn undead attempts in order to add 2d6 damage to all successful attacks against undead for one round.