In this world, immortals and demons coexist. Immortals plunder the heavens and earth, while demons wreak havoc on the mortal realm. Their combined presence throws the world into chaos, causing widespread suffering. During the late years of the Great Chu Dynasty, the land is in turmoil with warring princes, powerful families, and the constant threats of war, demons, and immortal calamities. Lu Yan, after a soul-transmigration, awakens a Daoist book. Each martial art he masters creates a separate, independent clone that cultivates rapidly. Years later, leading countless clones, Lu Yan declares: Even mortals can slay immortals and demons! Will you join me in this hunt?