Hard to choose between Tenshi or Yuri and Taiga or Louise
ARENA 01: [Elucia de Lute Ima] Kasugano Sora
ARENA 02: [Gasai Yuno] Aragaki Ayase
ARENA 03: Irisviel von Einzbern [Haruna]
ARENA 04: Shimada Minami [Iwasawa Masami]
ARENA 05: Nakagawa Kanon [Kirishima Shōko]
ARENA 06: Fear Kubrick [Himeji Mizuki]
ARENA 07: Eucliwood Hellscythe [Kanzaki H. Aria]
ARENA 08: [Gokō Ruri (Kuroneko)] Makise Kurisu
ARENA 09: [Yui] Victorique de Blois
ARENA 10: Shiomiya Shiori [Mine Riko]
ARENA 11: Mikazuki Yozora [Sakura Kyōko]
ARENA 12: Charlotte Dunois [Yuzuriha Inori]
ARENA 13: Akemi Homura [Tōwa Erio]
ARENA 14: Hasegawa Kobato [Kuroi Mato]
ARENA 15: Kōsaka Kirino [Kashiwazaki Sena]
ARENA 16: Tachibana Kanade [Nakamura Yuri]
ARENA 17: Suzutsuki Kanade [Haqua du Lot Herminium]
ARENA 18: Honma Meiko [Konoe Subaru]
ARENA 19: [Nagato Yuki, Asakura Ryōko] Misaka Mikoto, Shirai Kuroko
ARENA 20: [Hiiragi Kagami] Shiina Mafuyu
ARENA 21: [Ichinose Kotomi] Sanzen'in Nagi
ARENA 22: Last Order [Hirasawa Ui]
ARENA 23: Shirai Kuroko [Izumi Konata]
ARENA 24: [Nymph] Ikaros
ARENA 25: [Konjiki no Yami] Holo
ARENA 26: [Nakano Azusa] Tōsaka Rin
ARENA 27: [Misaka Mikoto] Hirasawa Yui
ARENA 28: [Suzumiya Haruhi] Saber
ARENA 29: [C.C.] Asahina Mikuru
ARENA 30: [Sakagami Tomoyo] Index L. Prohibitorum
ARENA 31: [Akiyama Mio] Oshino Shinobu
ARENA 32: Aisaka Taiga [Louise Vallière]
ARENA 33: Sengoku Nadeko [Katsura Hinagiku]
ARENA 34: [Nagato Yuki] Senjōgahara Hitagi
ARENA 35: [Shana] Illyasviel von Einzbern
ARENA 36: Hecate [Fujibayashi Kyō]
ARENA 37: Kotobuki Tsumugi [Furukawa Nagisa]
ARENA 38: Kamina, Yoko Littner [Natsu Dragneel, Lisanna Strauss]
ARENA 01: [Elucia de Lute Ima] Kasugano Sora
ARENA 02: [Gasai Yuno] Aragaki Ayase
ARENA 03: Irisviel von Einzbern [Haruna]
ARENA 04: Shimada Minami [Iwasawa Masami]
ARENA 05: Nakagawa Kanon [Kirishima Shōko]
ARENA 06: Fear Kubrick [Himeji Mizuki]
ARENA 07: Eucliwood Hellscythe [Kanzaki H. Aria]
ARENA 08: [Gokō Ruri (Kuroneko)] Makise Kurisu
ARENA 09: [Yui] Victorique de Blois
ARENA 10: Shiomiya Shiori [Mine Riko]
ARENA 11: Mikazuki Yozora [Sakura Kyōko]
ARENA 12: Charlotte Dunois [Yuzuriha Inori]
ARENA 13: Akemi Homura [Tōwa Erio]
ARENA 14: Hasegawa Kobato [Kuroi Mato]
ARENA 15: Kōsaka Kirino [Kashiwazaki Sena]
ARENA 16: Tachibana Kanade [Nakamura Yuri]
ARENA 17: Suzutsuki Kanade [Haqua du Lot Herminium]
ARENA 18: Honma Meiko [Konoe Subaru]
ARENA 19: [Nagato Yuki, Asakura Ryōko] Misaka Mikoto, Shirai Kuroko
ARENA 20: [Hiiragi Kagami] Shiina Mafuyu
ARENA 21: [Ichinose Kotomi] Sanzen'in Nagi
ARENA 22: Last Order [Hirasawa Ui]
ARENA 23: Shirai Kuroko [Izumi Konata]
ARENA 24: [Nymph] Ikaros
ARENA 25: [Konjiki no Yami] Holo
ARENA 26: [Nakano Azusa] Tōsaka Rin
ARENA 27: [Misaka Mikoto] Hirasawa Yui
ARENA 28: [Suzumiya Haruhi] Saber
ARENA 29: [C.C.] Asahina Mikuru
ARENA 30: [Sakagami Tomoyo] Index L. Prohibitorum
ARENA 31: [Akiyama Mio] Oshino Shinobu
ARENA 32: Aisaka Taiga [Louise Vallière]
ARENA 33: Sengoku Nadeko [Katsura Hinagiku]
ARENA 34: [Nagato Yuki] Senjōgahara Hitagi
ARENA 35: [Shana] Illyasviel von Einzbern
ARENA 36: Hecate [Fujibayashi Kyō]
ARENA 37: Kotobuki Tsumugi [Furukawa Nagisa]
ARENA 38: Kamina, Yoko Littner [Natsu Dragneel, Lisanna Strauss]