The commander of the Zaibach empires elite Dragonslayers unit is named Diandau. He has a history that is both bizarre and shocking. Despite being mentally unstable, he is highly skilled at burning towns to the ground with little provocation. After getting injured in a sword-duel with Van Fanel, Dilandau becomes obsessed with taking revenge on him. This obsession causes him to prioritize vengeance over all other objectives and results in significant collateral damage.