Arcane Circle

Arcane Circle is an ability available to Dark Knightss in Final Fantasy XI. The ability will grant all nearby allies protection versus arcane type creatures for a period of 30 seconds. It is usable once very 10 minutes starting at level 5. Arcana include Bombs, Golems, Magic Pots, Jars, Evil Weapons, and mimics. Elementals are sometimes argued to be in this classification, but that is disputed.

Ability Enhancing Equipment
Chaos Sollerets: Increase the duration of this effect to 1:15.