Leon is a world-renowned Archmage and the father of Arel, the protagonist of the story. In his youth, he received a blessing from the goddess, and along with his wife, the legendary Sword Princess Farah, he is considered one of the most powerful figures in the world. Despite his immense magical abilities and high status, Leon possesses a humble and laid-back personality. He retired from active heroics to live quietly in a remote village with Farah, where he focuses on family life. His primary motivation is the well-being and growth of his son, whom he supports unconditionally even after Arel is declared classless. Leon plays a key role in Arel's early development by teaching him the fundamentals of mana control, providing the foundational knowledge that allows Arel to manipulate magic without the aid of a system-assigned class. He is described as intellectual and composed, often serving as the more level-headed counterpart to Farah's intensity. His relationship with Farah is one of deep mutual respect and partnership, forming a legendary power couple. With his son, he acts as a mentor figure, gradually stepping back as Arel becomes more independent. Over the course of the story, Leon transitions from an authority figure of absolute power to a supportive parent who takes pride in his son's unconventional achievements. In terms of appearance, he is an adult male with black hair cut to neck length and brown eyes. His notable abilities include mastery of high-level magic, earning him the title of Archmage or Magic King, and the capacity to teach others how to harness mana outside the standard class system.