The ancient seal is about to vanish, and evil forces are stirring. The King of All Zeroes—"Qiong Qi"—is poised to break through the Abyss of Infinity. Faced with the impending catastrophe, only one group can prevent it from wreaking havoc upon the world. They dwell among the valleys, each possessing unique skills, and legend has it they guard an immense secret. Like mist in the mountains, they have substance yet remain formless. Their names circulate among the people, yet few have glimpsed their true appearances. In the silence, they lie in wait, anticipating the moment when thunder will strike. They share a common name—Xia Lan!