Chaos Shrine in THEATRHYTHM FINAL FANTASY™:
Chaos Shrine is a game mode unlocked by gaining Rhythmia when clearing songs. In the Chaos Shrine, you can play mysterious music scores called Dark Notes, which are randomly generated combinations of field and battle songs. Players can share Dark Notes via the StreetPass feature or through Nintendo 3DS Local Play.
In the Chaos Shrine, players can unlock new characters, find rare items, and play new songs.