The sequel to the 2006 game Arcana Heart, Arcana Heart 2 rebuilds the game engine on new hardware while adding six new fighters (each with their own new Arcana), a new control scheme (splitting the "Special" button into two: "Homing" and "Arcana"), new gameplay mechanics (such as the "Arcana Blast" technique, which grants temporary invincibility), and a revamped UI.
The game takes place one month after the events of the first, with more interdimensional disturbances throughout the Japanese Kanto region. This time, Maidens from multiple nationalities are dispatched to help.
The game received a major update on October 30, 2008 as Suggoi! Arcana Heart 2: Tenkousei Akane to Nazuna (loosely translated to "Wow! Arcana Heart 2: Transfer Students Akune and Nazuna") adding two new playable characters (with two new Arcanas), a new hidden boss, redrawn character illustrations, a new character select screen, additional color palettes, a new stage, the return of Training Mode, and game balance adjustments.
Both the original and "Suggoi!" versions received digital arcade re-releasea via NESiCAxLive for the Taito Type X² platform on February 22, 2012 (as Arcana Heart 2 for NESiCAxLive and Suggoi! Arcana Heart 2 for NESiCAxLive).
- Akane Inuwaka (added in "Suggoi!")
- Nazuna Inuwaka (added in "Suggoi!")
- Angelia Avallone (final boss, playable with cheat code, unlocked from the start in the "Suggoi!" and NESiCAxLive versions)
- Parace L'sia (added in "Suggoi!", hidden boss, unplayable)
- Heart Aino
- Saki Tsuzura
- Yoriko Yasuzumi
- Maori Kasuga
- Lilica Felchenerow
- Kamui Tokinomiya
- Kira Daidohji
- Lieselotte Achenbach
- Fiona Mayfield
- Zillael, Arcana of Holy - Default for Petra.
- Almacia, Arcana of Ice - Default for Zenia.
- Koshmar, Arcana of Punishment - Default for Elsa.
- Sorwat, Arcana of Sin - Default for Clarice.
- Medein, Arcana of Magnetism - Default for Catherine.
- Heliogabalus, Arcana of Mirror - Default for Dorothy.
- Phenex, Arcana of Sound - Default for Akane. Added in "Suggoi!".
- Kayatsuhime, Arcana of Flower - Default for Nazuna. Added in "Suggoi!".
- Mildred, Arcana of Halo - Default for Angelia. Only usable with cheat code. Unlocked from the start in the "Suggoi!" and NESiCAxLive version.
- Partinias, Arcana of Love - Default for Heart.
- Bhanri, Arcana of Lightning - Default for Saki.
- Dieu Mort, Arcana of Death - Default for Yoriko.
- Ohtsuchi, Arcana of Earth - Default for Maori.
- Tempestas, Arcana of Wind - Default for Lilica.
- Anutpada, Arcana of Time - Default for Kamui.
- Lang-gong, Arcana of Fire - Default for Mei-Fang.
- Moriomoto, Arcana of Nature - Default for Konoha.
- Niptra, Arcana of Water - Default for Kira.
- Gier, Arcana of Shadow - Default for Lieselotte.
- Orichalkos, Arcana of Metal - Default for Fiona.