Demiurge is a key character in the anime and light novel series 'Re:Zero − Starting Life in Another World'. He is a demon and one of the archbishops who serve as the main antagonists of the series. Known for his meticulous and analytical personality, Demiurge is a strategic genius with an air of superiority and control. His formidable magical abilities and political acumen make him a feared figure. Demiurge harbors a deep devotion to the witch Satella and a fanaticism for efficiency and perfection. He is known for his pleasure in meticulously torturing and manipulating others, often engaging in wicked experiments. Despite his vile nature, Demiurge deeply respects his master, Roswaal L. Mathers, who is both an ally and a rival to him. His ultimate goal is to bring about a utopia by any means necessary, albeit one based on his twisted ideals.