In Xiangxi's three evils, it isn't just the corpse-driving craftsmen that people dread—the Gu witches and the women of Luo Hua Cave are equally fearsome.
The Poison Technique mastered by the Gu witches, alongside the "Thai Sorcery" of Thailand, is reckoned as one of the two great evils of Southeast Asia. Much like the art of corpse driving, it is shrouded in mystery, with no one ever able to delineate its exact nature.