It was 2837 in the Creation Calendar, the tenth year after the end of the Second Holy War in the world. In this holy war, in order to compete with the powerful demons from the shadow world, an organization called the Blood Raiders used alchemy, known as the supreme magic, to integrate the flesh and blood of monsters into the human body, creating a half-human, half-demon creature, and calling it [Demon Hunter]. This story began in September. , It started when a nine-year-old elf with broken ears broke into the Blood Raiders' temple. He held a head in his arms, and then asked the Blood Raiders' only supreme leader, the rare alchemy genius Gloria: "Please integrate the flesh and blood of Xiu into my body." Mage Elf Attacker