Retribution Tome: Seal of Vengeance

"Fills the Paladin with holy power, causing attacks to apply Holy Vengeance, which deals additional Holy damage over Holy Vengeance can stack up to times. Once stacked to times, each of the Paladin's attacks also deals weapon damage as additional Holy damage. Only one Seal can be active on the Paladin at any one time. Lasts this Seal's energy will deal Holy damage to an enemy, increased by 10% for each application of Holy Vengeance on the target."