sorry for double-posting
ARENA 01: [Kurousagi] Nōmi Kudryavka
ARENA 02: [Yoshino] Haqua du Lot Herminium
ARENA 03: Chocolat [Aoyama Nanami]
ARENA 04: Yaya [Yukihira Furano]
ARENA 05: Yūki Asuna [Dekomori Sanae]
ARENA 06: [Shiomiya Shiori] Nibutani Shinka
ARENA 07: Laura Bodewig [Tsutsukakushi Tsukiko]
ARENA 08: [Shirakiin Ririchiyo] Yūki Mikan
ARENA 09: Nyarlathotep [Takanashi Rikka]
ARENA 10: [Yui] Takanashi Tōka
ARENA 11: Kuriyama Mirai [Natsume Rin]
ARENA 12: Charlotte Belew [Yatogami Tōka]
ARENA 13: Shokuhō Misaki [Tokisaki Kurumi]
ARENA 14: [Momo Belia Deviluke] Kuroyukihime
ARENA 15: Himeragi Yukina [Yukinoshita Yukino]
ARENA 16: Chitanda Eru [Roromiya Karuta]
ARENA 17: [Azuki Azusa] Itsuka Kotori
ARENA 18: [Tobiichi Origami] Kirigaya Suguha
ARENA 19: [Tachibana Marika] Nike Remercier
ARENA 20: [Kanbe Kotori] Eleanor Olegovna Owen
ARENA 21: Nakamura Yuri [Nagato Yuki]
ARENA 22: [Yui-nyan] Kōsaka Kirino
ARENA 23: [Mikazuki Yozora] Nakano Azusa
ARENA 24: [Shana] Suzumiya Haruhi
ARENA 25: Misaka Mikoto [Illyasviel von Einzbern]
ARENA 26: Kirishima Shōko [Konjiki no Yami]
ARENA 27: Kasugano Sora [Shiina Mashiro]
ARENA 28: [Eucliwood Hellscythe] Katsura Hinagiku
ARENA 29: Senjōgahara Hitagi [Tachibana Kanade]
ARENA 30: [Saber] Last Order
ARENA 31: [Oshino Shinobu] Hirasawa Yui
ARENA 32: [Honma Meiko] Aisaka Taiga
ARENA 33: Kashiwazaki Sena [Iwasawa Masami]
ARENA 34: Aragaki Ayase [Charlotte Dunois]
ARENA 35: Yuzuriha Inori [Makise Kurisu]
ARENA 36: [Gokō Ruri (Kuroneko)] Victorique de Blois
ARENA 37: [Akiyama Mio] Sengoku Nadeko
ARENA 38: Hasegawa Kobato [Tōwa Erio]
ARENA 02: [Yoshino] Haqua du Lot Herminium
ARENA 03: Chocolat [Aoyama Nanami]
ARENA 04: Yaya [Yukihira Furano]
ARENA 05: Yūki Asuna [Dekomori Sanae]
ARENA 06: [Shiomiya Shiori] Nibutani Shinka
ARENA 07: Laura Bodewig [Tsutsukakushi Tsukiko]
ARENA 08: [Shirakiin Ririchiyo] Yūki Mikan
ARENA 09: Nyarlathotep [Takanashi Rikka]
ARENA 10: [Yui] Takanashi Tōka
ARENA 11: Kuriyama Mirai [Natsume Rin]
ARENA 12: Charlotte Belew [Yatogami Tōka]
ARENA 13: Shokuhō Misaki [Tokisaki Kurumi]
ARENA 14: [Momo Belia Deviluke] Kuroyukihime
ARENA 15: Himeragi Yukina [Yukinoshita Yukino]
ARENA 16: Chitanda Eru [Roromiya Karuta]
ARENA 17: [Azuki Azusa] Itsuka Kotori
ARENA 18: [Tobiichi Origami] Kirigaya Suguha
ARENA 19: [Tachibana Marika] Nike Remercier
ARENA 20: [Kanbe Kotori] Eleanor Olegovna Owen
ARENA 21: Nakamura Yuri [Nagato Yuki]
ARENA 22: [Yui-nyan] Kōsaka Kirino
ARENA 23: [Mikazuki Yozora] Nakano Azusa
ARENA 24: [Shana] Suzumiya Haruhi
ARENA 25: Misaka Mikoto [Illyasviel von Einzbern]
ARENA 26: Kirishima Shōko [Konjiki no Yami]
ARENA 27: Kasugano Sora [Shiina Mashiro]
ARENA 28: [Eucliwood Hellscythe] Katsura Hinagiku
ARENA 29: Senjōgahara Hitagi [Tachibana Kanade]
ARENA 30: [Saber] Last Order
ARENA 31: [Oshino Shinobu] Hirasawa Yui
ARENA 32: [Honma Meiko] Aisaka Taiga
ARENA 33: Kashiwazaki Sena [Iwasawa Masami]
ARENA 34: Aragaki Ayase [Charlotte Dunois]
ARENA 35: Yuzuriha Inori [Makise Kurisu]
ARENA 36: [Gokō Ruri (Kuroneko)] Victorique de Blois
ARENA 37: [Akiyama Mio] Sengoku Nadeko
ARENA 38: Hasegawa Kobato [Tōwa Erio]