A Warp Device is an ancient machine, used to travel from place to place. They are dormant, and require you to active each with a Warp Key before you can use them. You can use a Warp Device by going to the main menu and selecting "Warp," then selecting where you would like to warp to. There is a Warp Device in most major areas. Occasionally, there will be an invisible magic barrier, preventing you from leaving a certain area until you have performed a certain action. Activated Warp Devices appear as silver diamonds on the World Map, but do not appear on the mini-map.