Manifestation of Wrath is a 15th level cleric Daily power that was introduced in Heroes of the Fallen Lands.
Manifestation of Wrath
Cleric Attack 15
The gods' fury lashes your foes and lets you draw vigor from their pain.
Close burst 1
Target: Each enemy in the burst
Effect: Each target takes 10 + Wisdom modifier radiant damage, and you gain that number of temporary hit points. Until the end of the encounter, you gain a +2 power bonus to attack rolls.