Sony Playstation 2 Games Solutions - One of
the Largest Games Source for Playstation2 Cheats, Codes, Hints, Tips,
Walkthroughs, FAQs and Games Strategy Guides.
Successfully complete the game with all
four staring characters under the normal or higher difficulty setting to
unlock Aria/Iria in story mode.
Unlocking More Characters in Duel Mode
To unlock characters in Duel mode you
must beat the game with at least one character on any difficulty. After
that, you get the option to save. Save the game and then the next time
you start a Duel game, you will find that most of the monsters you
encountered previously will be characters that you can use in Duel mode.