ARENA 01:
[Oshino Shinobu] Konoe Subaru
ARENA 02:
[Nōmi Kudryavka] Shiina Mashiro
ARENA 03: Misaki Mei
[Mikazuki Yozora]
ARENA 04: Chitanda Eru
[Nyarlathotep]
ARENA 05: Sanka Rea
[Abstained] Tōwa Erio
ARENA 06:
[Yui] Kirishima Shōko
ARENA 07:
[Ayano Keiko (Silica)] Yūki Asuna
ARENA 08: Makise Kurisu
[Kurasaki Fūko (Sky Raker)]
ARENA 09: Kotegawa Yui
[Natsume Rin]
ARENA 10: Honma Meiko
[Kanzaki H. Aria]
ARENA 11: Yuzuriha Inori
[Araragi Karen]
ARENA 12: Hasegawa Kobato
[Aoyama Nanami]
ARENA 13: Nibutani Shinka
[Kuroyukihime]
ARENA 14: Kashiwazaki Sena
[Shirakiin Ririchiyo]
ARENA 15: Takanashi Rikka
[Takanashi Tōka]
ARENA 16: Momo Belia Deviluke
[Kirigaya Suguha]
ARENA 17:
[Akemi Homura] Yūki Mikan
ARENA 18:
[Araragi Tsukihi] Roromiya Karuta
ARENA 19:
[Tiir Rumibul, Mavis Vermillion] Judal, Anzelotte
ARENA 20: Kuroi Mato
[Hirasawa Ui]
ARENA 21:
[Sengoku Nadeko] Aisaka Taiga
ARENA 22: Tōsaka Rin
[Nakamura Yuri]
ARENA 23:
[Misaka Mikoto] Iwasawa Masami
ARENA 24: Nymph
[Sakagami Tomoyo]
ARENA 25:
[Yui-nyan] Illyasviel von Einzbern
ARENA 26:
[Hirasawa Yui] Tachibana Kanade
ARENA 27:
[Senjōgahara Hitagi] Holo
ARENA 28:
[Aragaki Ayase] Nagato Yuki
ARENA 29: Last Order
[C.C.]
ARENA 30:
[Kōsaka Kirino] Victorique de Blois
ARENA 31:
[Nakano Azusa] Suzumiya Haruhi
ARENA 32: Saber
[Gokō Ruri (Kuroneko)]
ARENA 33:
[Akiyama Mio] Charlotte Dunois
ARENA 34: Eucliwood Hellscythe
[Konjiki no Yami]
ARENA 35: Louise Valličre
[Shana]
ARENA 36:
[Izumi Konata] Katsura Hinagiku
ARENA 37:
[Fujibayashi Kyō] Furukawa Nagisa
nothing particularly difficult besides the super hard Kud vs Shiina match
.