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]