This book is based on rigorously researched southern geography, real historical mysteries and folklore, and integrates mysterious elements such as divination in the Zhouyi and Wu Nuo culture in western Hunan to create an adventure world that is both real and full of weirdness. The story goes deep into the real mountains and rivers of Sichuan, Hubei, Hunan and other places, and explores the forgotten horrors and legends in the cracks of history.