The Xuantian Sect, the greatest sect under the heavens, faced an imminent annihilation as it was besieged by the demonic cult. At the brink of destruction, the Xiao family, a martial cultivation family, fought to their last breath to protect the Xuantian Sect's peace. Xiao Sha, the only direct heir of the Xiao family, retreated into seclusion to cultivate, bringing with him the martial treasure—the Chixiao Longyuan Sword. A hundred years later, as the Xuantian Sect was once again under siege by the demonic cult, Xiao Sha made a domineering return, saving the sect and commanding the world. However, his direct family, the Shen family, betrayed him and joined forces with the demonic cult. Shen Qixue, together with all the demonic sects under heaven, launched a massive attack on Xuantian Sect, plunging it into an unprecedented crisis!