Young Zhou Yuan unexpectedly inherits the bloodline of the Great Desolate Giant Spirit and becomes a disciple of Kui Lang Mountain under the Wanxiang Spirit Sect. Proud, daring, and adventurous, he possesses a mysterious blood mosquito spirit insect and the Profound Heaven Battle Mirror. As turmoil unfolds both inside and outside the sect, he steadily grows stronger. He faces repeated attempts to exclude him by a coalition of alchemists and secret assassinations by remnants of Evil Spirit Valley, navigating conflicts among various powerful factions. In pursuit of a fortuitous opportunity, he secretly accompanies Xiang Fuyao, the young heiress of the Xiang family, to the perilous Thundercloud Island. There, demonic beasts roam freely, talented young cultivators gather, and arrogant descendants of the Golden Ancient City repeatedly provoke him. Relying on his formidable physical strength, inherited thunder techniques, and extraordinary ingenuity, Zhou Yuan repeatedly survives near-death situations and seizes the treasures hidden within secret realms. On his perilous path to immortality amid a chaotic age, he fights his way toward carving out a world of his own.