Knights in the Nightmare [NDS]
Beat the game to unlock Astart as a playable character.
Unlockable: Additional Difficulty Settings
Unlock the following difficulty settings by completing the actions below:
* Hard - Beat the game on Normal
* Nightmare - Beat the game on Hard
Easter Egg: Yggdra Cameo
Play the Tutorials with Yggdra Union in the GBA slot to unlock Yggdra as the Tutorial host.