- For the unique enemy introduced in these stages, Wicked Tank Cat (Event Enemy).
Wicked Tank (タンクネコの解放, Tanku Neko no Kaihō, "Unleashing the Tank Cat") is one of the Empress' Research maps, appearing only after Servant of Darkness has been cleared in full. Upon completion, 50 Cat Food will be received as a mission reward. It is one of the three maps that are required to unlock Unleashing the Cats, the others being Wicked Cat and Wicked Axe.
List of Stages
|English Version||Japanese Version||Translation|
|Stage 1||Devil's Nest||悪魔の巣||Devil's Nest|
|Stage 2||Demon's Wall||デモンズウォール||Demon's Wall|
|Empress' Research 2: Agents of Aku
Clear "Servant of Darkness" and "Wicked Tank"
|50 Cat Food|
|Complete all Empress' Research 1~3 missions!||50 Cat Food|
- Schedule for Servant of Darkness and Wicked Tank
|Day of the Week||Available Time (Local)|
|Monday, Friday||12:00 ~ 13:00|
|Tuesday, Saturday||19:00 ~ 20:00|
|Wednesday, Sunday||22:00 ~ 23:00|
|Thursday||08:00 ~ 09:00|