Geo-Wilt

Geo-Wilt is a Geomancy spell in Final Fantasy XI. When cast, a harmful Geocolure effect reduces the Attack damage of all hostile creatures for as long as they are within emanation range of the caster's luopan. In order to learn this spell, the player must visit the Geomantic Reservoir located in Yahse Hunting Grounds as a Geomancer after having learned Indi-Wilt.