Xia Gui Xuan, a powerful immortal emperor, and his nemesis are left critically injured after a devastating battle. He retreats to the planet's core to recover, his immortal energy gradually transforming the barren planet into a vibrant, habitable world. The original inhabitants evolve, cultivate, and develop their own civilization. Years later, a human expedition from the Milky Way arrives. Beings of immense power from various dimensions set their sights on this newly flourishing planet. A clash of civilizations ensues, heroes rise, and Xia Gui Xuan awakens from his seclusion.