Arenas are battlefields where the different characters in the game battle. There are twelve different arenas in Dissidia. Ten of them represent a place from the original ten games (usually the site of the Final Battle) and two of them are original to the game. There are also "Dynamic" versions of these stages which can be purchased from the PP Catalog after Shade Impulse has been completed, adding up to 24 stages.
The arenas are: