Diana, in her mid-20s, is the brilliant linchpin of the Hunter association, revered for her intellect and prowess. Gifted with the "creator" aura type, she crafts formidable objects and summons powerful creatures. Raised by her father, a war hero, Diana's opposition to healing Luna stems from a deep understanding of sacrifice. Balancing her scientific contributions with a secret life as the enigmatic "Dark Master," she navigates a delicate dance to protect both her identity and the Hunters.