SPOILER
ARENA 01: Astarotte Ygvar Kanzaki H. Aria [Taneshima Poplar]..
ARENA 02: [Ayuzawa Misaki] Kunieda Aoi Shionji Yūko (Alice)
ARENA 03: Elucia de Lute Irma [Inui Sana] Kasugano Sora
ARENA 04: Chii [Hiiragi Tsukasa] Kotobuki Tsumugi
ARENA 05: Evangeline A.K. McDowell [Louise Vallière] Lucy Heartfilia
ARENA 06: [Ibuki Fūko] Nymph Suigintō
ARENA 07: Honma Meiko [Shimada Minami] Yune
ARENA 08: Makise Kurisu Nanasaki Ai [Yamada Aoi]
ARENA 09: Mine Riko Oikawa Tsurara [Yarizui Sen]
ARENA 10: Alice [Kotegawa Yui] Shirai Kuroko
ARENA 11: [Furukawa Nagisa] Hinamori Amu Kawashima Ami
ARENA 12: Kōzuki Kallen Oshino Shinobu [Saginomiya Isumi]
ARENA 13: [Aragaki Ayase] Laura Bodewig Uryū Minene
ARENA 14: Dalian [Mikazuki Yozora] Tsurugi Minko
ARENA 15: Inami Mahiru [Kirishima Shōko] Minato Tomoka
ARENA 16: Erza Scarlet [Index L. Prohibitorum] Sōryū Asuka Langley
ARENA 17: Haibara Ai [Sakagami Tomoyo] Yin
ARENA 18: Kamio Misuzu Sanzen'in Nagi [Yūki Mikan]
ARENA 19: Ayase Chihaya [Himeji Mizuki] Ika-Musume
ARENA 20: Hakamada Hinata Haruna [Shinonome Hakase]
ARENA 21: Sakura Kyōko Takahara Ayumi [Tsugumi]
ARENA 22: [Ayanami Rei] C.C. Tsukimiya Ayu
ARENA 23: Chrome Dokuro [Ichinose Kotomi] Takamachi Nanoha
ARENA 24: Hoshina Utau [Izumi Konata] Tainaka Ritsu
Ohmy, so many people I don't know.