WoWDB

Call upon the Light and gain 15 stacks of Divine Resolve, increasing your maximum health by 1% and reducing your damage taken by 2% per stack for 16 sec. After 1 sec, you will begin to lose 1 stack per second, but each 3 Holy Power spent will delay the loss of your next stack by 1 sec.

While active, your damage and healing is increased by 20%, and Hammer of Wrath may be cast on any target.

Combines with Avenging Wrath.