Besides "Dungeons & Dragons", which Group SNE RPG does Record of Lodoss War's conventions and structures follow?
Record of Lodoss War: Record of Lodoss War (ロードス島戦記 , Rōdosu-tō Senki , lit., "Lodoss Island War Chronicle") is a franchise of fantasy novels by Ryo Mizuno based on the work he originally created for a world called "Forcelia" as a rules-free setting for role-playing games (RPGs). Record of Lodoss War:  The plots generally follow the conventions and structure of the RPG systems including "Dungeons & Dragons" and "Sword World RPG", in which several characters of distinct types undertake a specific quest. Sword World RPG: Sword World RPG (ソード・ワールドRPG , Sōdo Wārudo Āru Pī Jī ) is a Japanese role-playing game created by Group SNE.
Sword World RPG