These are special, themed battles against the CPU that are accessible through the Online Battle menu in the game. (animegamesonline.com)
Battles are turn - based; the player delivers combat instructions each turn from an in - battle menu system. (dragon-quest.org)
While most of the time you need not bother with the second menu, it becomes a frustrating feature when using AGWS vehicles, since the means to activate a special move are buried in the second battle menu: first one has to flip to it to guard so to reach maximum AP (Action Points), then again to activate W - ACT (the special move). (crunkgames.com)