XI Lunar Roar is an ability in Final Fantasy XI. When used by players, it is a Blood Pact: Ward ability of Fenrir gained at Summoner level 32 that costs 27 MP. It removes two beneficial effects from targeted enemies within area of effect. Accuracy varies with summoning magic skill over cap. During the fight with Fenrir Prime, Lunar Roar will remove all beneficial effects, excluding Food and Signet-type effects.
Luna means "moon" in Latin, Italian, Russian, and Spanish.