Yan Guichen, an outer disciple of the Qinglan Sect, has been unable to draw in spiritual energy to cultivate for three years due to lacking a spirit root, often being looked down upon by his peers. During an incident, his carried ancient jade is activated, revealing the truth of an ancient primordial energy core. To protect the core, he and Su Yanci, a maiden of the Half-Ruins tribe, fall into the Ruins Mist Valley amidst pursuit. Chi Weng, the tomb keeper at the valley bottom, informs them that the core seals rampaging mental energy of ancient cultivators, while Pei Linyuan, the senior brother of the Qinglan Sect, has been corrupted by negative energy and is leading a crowd in pursuit. To open the escape secret passage, Yan Guichen must enter the depths of the core with a pure will, facing the impact of countless mental imprints. Can the spiritless boy hold onto his original intent and resolve this crisis of energy imbalance?