This page contains One Piece: Grand Battle Unlockables for Gamecube called "Unlock Marine HQ stage" and has been posted or updated on Nov 7, 2006 by souravjain. Let us know what you think of this Unlockable by thumbs voting.
Unlock Marine HQ stage
After unlocking EVERYONE complete their move lists in training mode and after doing so destroy all the pillars in the stage. Do this with every character to unlock the stage.
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