Dark Moon Strike
avenger attack 7
You mark a foe as your sworn enemy and you disappear from the minds of all other foes.
Ranged 10
Target: One creature
Attack: Wisdom vs. Reflex
Hit: 2d8 + Wisdom modifier damage, and the target becomes the target of your oath of enmity, replacing the current target. You become invisible to all enemies other than the target until the end of your next turn.
Dark Moon Strike is a 7th-level avenger encounter power that was introduced in the 386th edition of the Dragon (magazine). It is intended to be used by worshipers of Sehanine, but it is not required as a prerequisite to take this power.