User blog comment:B214/High School DxD New Episode 3 Discussion/@comment-16075832-20130725060218/@comment-1359322-20130725070525

Yeah most of the members of the Gremory Team are unique. Regarding Rias, we still haven't seen her new finishing attack, maybe she has the same side effects as Akeno for drawing out the Dragon powers in Issei so her finishing attack might be Dragon-related.