Well, Revolver did once say he’d fight poison with poison.
Episode 105: 迎撃 – Geigeki
Ai launched an attack against Queen. In order to steal the code necessary to infiltrate SOL’s system, Ai also sent an advance warning to Akira. Playmaker is filled with conflicting emotions after learning that Ai has started attacking humans. Meanwhile, Revolver sets up an anti-Ignis AI known as “Pandor,” and heads off to fight against Ai.
Fujiki Yusaku/Playmaker: Ishige Shoya
Homura Takeru/Soulburner: Kaji Yuki
Kusanagi Shoichi: Kimura Subaru
Kogami Ryoken/Revolver: Takeuchi Shunsuke
Ai: Sakurai Takahiro
Roboppy: Takahashi Minami
Zaizen Akira: Yamamoto Shoma
Zaizen Aoi/Blue Maiden: Nakashima Yuki
Dojun Kengo/Blood Shepherd: Okuda Takanori
Bessho Emma/Ghost Girl: Kamakura Yuna
Onizuka Gou/GO Onizuka: Hamano Daiki
Hayami: Ikki Chihiro
Shima Naoki/Brave Max: Sawashiro Chiharu
Pandor*: Kim Hyang-Ri
Script: 吉田伸 || Yoshida Shin
*It’s also possible that the name is supposed to be Pandore, which is the French spelling for Pandora.