Divine Fervor is a 23rd level cleric Encounter prayer that was introduced in Divine Power.
Divine Fervor
Cleric Attack 23
Your god's power flares from your weapon to bless you and a companion as you batter down an enemy.
Melee weapon
Target: One creature
Attack: Strength vs. AC
Hit: 4[W] + Strength modifier radiant damage.
Effect: You and an ally within 10 squares of you can each spend a healing surge.