Paranormal Investigation Bureau Chronicles: Final Season Series (Complete 7 Volumes).

Summary

Summary of the mining incident: Boss Zhao and a group descended into a mine to investigate supernatural claims. During their exploration, they encountered mysterious shadowy figures and human-like faces emerging from cave walls. Boss Zhao and De Zi were terrified, and the group fled. Boss Zhao was found unconscious and later exhibited strange behavior. Yang Xiao performed a blood ritual to temporarily suppress spirits possessing Boss Zhao, briefly restoring him to normal. Sun Pang Zi ultimately refused payment, cryptically warning the Zhao family about impending doom.

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