The second season of “Queen’s Blade: Rurou no Senshi” was announced at the end of the final episode aired on AT-X channel. The subtitle of the second season is “Gyokuza wo Tsugu Mono (The one who succeeds the throne)” and the English title is “QUEEN’S BLADE and the evil eye”
Source: Screenshot of the announcement
According to Hobby Japan magazine, the second season will be aired from this October.
Source: Scan of Hobby Japan
