Case File #001 • Hauntings

The Hollow Echo

A repeating knock-pattern beneath an abandoned site. Audio evidence suggests a cyclical resonance.

Summary

Initial reports describe repeating knocks and a low-frequency “humming” heard in the lower levels of an abandoned site. Witness accounts vary in detail, but agree on timing: the sound peaks shortly after dusk and fades within 20–30 minutes.

Key Details

Timeline

19:12

First audible knocks reported by witness A at the perimeter gate.

19:26

Low-frequency resonance detected. Audio recording begins.

19:41

Knock-pattern shifts. Witness B reports “movement” below floor level.

Evidence

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Notes & Interpretation

The repeating cycle suggests either environmental resonance (ventilation shafts, thermal contraction) or a patterned source. Folklore references in the area mention “tapping” as a warning signal.

Sources

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