Bolster is an ability in Final Fantasy XI. The ability is gained by Geomancers at level 1. It lasts for a duration of 3 minutes, and has a recast time of 1 hour. It doubles the potency of one's Geomancy spells while in effect.
Retrieved from "http://finalfantasy.wikia.com/wiki/Bolster_(ability)?oldid=2192761"