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

Summary

The passage describes a supernatural investigation in a mine where Yang Xiao, Sun Pang Zi, and the narrator attempt to extract spirits from Boss Zhao's body. Through a unique method, hundreds of transparent spirits are removed, following the narrator everywhere. Yang Xiao insists on finding their spirit cave entrance to send them back. After exploring the mine, the narrator uses dual swords to chip away at a wall, revealing a black crystal surface. When striking the final blow, the crystal wall suddenly cracks and collapses, exposing a dark, mysterious opening, suggesting a potential breakthrough in their supernatural quest.

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