Brilliant Censure is a 15th level cleric Daily prayer that was introduced in Divine Power.
Brilliant Censure
Cleric Attack 15
Awful brilliance flashes from your eyes, blinding foes and inspiring allies.
Close burst 3
Target: Each enemy in burst
Attack: Wisdom vs. Fortitude
Hit: The target is blinded (save ends).
Effect: The burst creates a zone of bright light that lasts until the end of the encounter. When you move, the zone moves with you, remaining centered on you. Any ally who begins his or her turn within the zone deals 2d6 extra radiant damage with melee or ranged attacks until the start of his or her next turn.