Covenant of vengeance
Invoker Utility 22
You forge a covenant with your ally. Anyone foolish enough to
attack that ally will suffer your wrath.
Daily ✦ divine
Close burst 10
Target: You or one ally in burst
Effect: All of the target’s marks end. Until the end of
the encounter or until the target marks a creature, if a creature attacks the target, you and your allies gain a +4 power bonus to attack rolls against that creature until the
end of your next turn.