ARENA 01: Hotogi Shirayuki
[Inui Sana] Reki
[Sakura Kyōko] Tachibana Kanade Takakura Himari Tōwa Erio --->
Kind of neat how this works out to two very similar redheads. ...Might make a cute yuri pair. 
ARENA 02:
[Gokō Ruri (Kuroneko)] Mikazuki Yozora Shimada Minami Shinonome Nano Suzutsuki Kanade
[Tomoe Mami] Tsugumi
ARENA 03:
[Ayase Chihaya] Eucliwood Hellscythe Ika-Musume
[Kaname Madoka] Kasugano Sora Kunieda Aoi Oikawa Tsurara --->
Chihaya has no chance, but hopefully Madoka advances at least.
ARENA 04: Fear Kubrick Himeji Mizuki Inami Mahiru Shionji Yūko (Alice)
[Tsurugi Minko] Yui
[Yune] --->
2nd Toughest Arena for me. Lots of good choices.
ARENA 05: Ayuzawa Misaki Honma Meiko Konoe Subaru
[Morishima Haruka] [Nakamura Yuri] Shinomiya Ayase Takahara Ayumi
ARENA 06:
[Charlotte Dunois] Gasai Yuno Kisaragi Chihaya
[Matsumae Ohana] Shinonono Hōki Taneshima Poplar Wendy Marvell
ARENA 07:
[Akiyama Mio] Kawashima Ami Konjiki no Yami Kuchiki Rukia Nymph
[Sakagami Tomoyo] Tsukimiya Ayu
ARENA 08: Evangeline A.K. McDowell Furude Rika
[Furukawa Nagisa] Lucy Heartfilia Ryōgi Shiki
[Suzumiya Haruhi] Uiharu Kazari ->
Toughest arena for me. Hard choice between Nagisa and Rika for No. 2
ARENA 09: C.C. Ibuki Fūko Ikaros Kōzuki Kallen
[Senjōgahara Hitagi] [Shinku] Yin
ARENA 10: Chrome Dokuro Hanato Kobato
[Ichinose Kotomi] Saginomiya Isumi Sengoku Nadeko
[Takamachi Nanoha] Tōsaka Rin ->
Voting for Nanoha and Kotomi at the same time is really cool!
ARENA 11: Chii Enma Ai Hirasawa Ui
[Kawasumi Mai] Last Order
[Saber] Sanzen'in Nagi
ARENA 12: Asahina Mikuru Ayanami Rei
[Hirasawa Yui] [Isayama Yomi] Kagura Louise Vallière Sōryū Asuka Langley