Asagi War mode preview:
Press Triangle, Square, X, Triangle, Square, X, Circle at the title screen.
Bonus levels:
Unlock the following levels by collecting the corresponding numbers of Lucky Dolls and then talking to the Lucky Doll NPC:
Baal Tower – 70 Lucky Dolls. This level is accessed by the Dimension Guide.
Etna Boss Battle – 100 Lucky Dolls. This level is accessible from Etna’s chamber
Overlord Priere Stage – 36 Lucky Dolls. This level is accessed by the Dimension Guide.
Asagi Wars mode:
To unlock Asagi Wars mode, collect all the Asagi Tickets in every town level.