Reinhard Heydrich is a central antagonist in the visual novel and anime series 'Dies Irae'. He is the leader of the Obsidian Round Table, a group of supernaturally empowered individuals seeking to bring about a new world order. Known for his charisma and overwhelming power, Reinhard is a complex character who inspires both fear and loyalty among his followers. Despite his villainous role, his motivations are deeply rooted in a desire to transcend human limitations and achieve a higher state of being, making him a compelling and enigmatic figure in the series.