Easy round for me.
ARENA 01:
[Dekomori Sanae] Hanekawa Tsubasa Gasai Yuno
ARENA 02: Akemi Homura Erica Blandelli
[Kurugaya Yuiko]
ARENA 03: Kurokami Medaka Shiomiya Shiori
[Ayano Keiko (Silica)]
ARENA 04:
[Kurasaki Fūko (Sky Raker)] Roromiya Karuta Oda Nobuna
ARENA 05: Aoyama Nanami Nishizumi Miho
[Nishizono Mio]
ARENA 06: Ibara Mayaka Momo Belia Deviluke
[Miniwa Tsumiki]
ARENA 07: Takenaka Hanbee
[Lala Satalin Deviluke] Shirakiin Ririchiyo
ARENA 08:
[Himenokōji Akiko] Tsuyuri Kumin Araragi Tsukihi
ARENA 09: Toshinō Kyōko
[Yuzuriha Inori] Matsumi Kuro
ARENA 10: Nagase Iori Oshino Shinobu
[Mine Riko]
ARENA 11:
[Sakura Kyōko] Mōri Ran Takanashi Tōka
ARENA 12:
[Tōjō Koneko] Nyarlathotep Mizutani Shizuku
ARENA 13:
[Elucia de Lute Ima] Natsume Asako Kirishima Shōko
ARENA 14:
[Natsume Rin] Kotegawa Yui Onjōji Toki
ARENA 15:
[Kanzaki H. Aria] Irisviel von Einzbern Okita Sawa
ARENA 16: Ayukawa Tenri
[Honma Meiko] Akaza Akari
ARENA 17: Kushina Anna Tainaka Ritsu
[Shiina Mayuri]
ARENA 18: Tomoe Mami
[Nōmi Kudryavka] Kusaribe Hakaze
ARENA 19:
[Makise Kurisu] Kamikita Komari Kanoe Yūko
ARENA 20:
[Konoe Subaru] Morgiana Sanka Rea
ARENA 21: Haqua du Lot Herminium
[Yūki Mikan] Shimada Minami
ARENA 22:
[Inaba Himeko] Watashi Misaki Mei
ARENA 23: Araragi Karen Sakai Wakana
[Saigusa Haruka]
ARENA 24: Rias Gremory
[Kaname Madoka] Neko