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A fifteen-year-old orphan Taoist living at Chengyun Temple who pretends to be dim-witted to cope with his supernatural ability to see spirits and ghosts. Though he acts foolish, he is exceptionally perceptive and possesses a deadly accuracy when throwing stones.

An elderly, sickly Taoist residing at Chengyun Temple. He hides his past behind a quiet, aging facade, though his hands bear calluses indicative of a lifetime spent practicing swordsmanship. He acts as a father figure and teacher to Xu Yan.

A small pig, originally a wild boar, kept by Xu Yan. Despite being kept for five years, it remains remarkably small and exhibits a strange calm, seemingly unaffected by the supernatural entities that Xu Yan can perceive.

A teenage boy from a wealthy family in Linshan Town. He is boisterous, boastful, and dismissive of Xu Yan, constantly trying to prove his own courage to the group.

A ten-year-old girl who is impoverished and physically small for her age. She is a loyal friend to Xu Yan and frequently defends him from the mockery of other children.

A sturdy teenage boy, the son of a local blacksmith. He acts as the informal leader of the group of village children who visit the mountains.

A deceased elderly woman who formerly lived on the East Street. She was childless and locally famous for telling ghost stories to the neighborhood children.