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Case No. #1293

Periodic Appearance of a Gigantic Luminous Shadow, Localized Vegetation Desiccation, and Electronic Device Malfunction Incident in the Chittagong Hill Tracts, Bangladesh

Category: CryptidResolution: InvestigatingLocation: Bangladesh / Chittagong Hill TractsRecorded: Jul 19, 2026, 2:23 PM
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Summary

On July 15, 2023, a forest survey team in the remote Chittagong Hill Tracts of Bangladesh witnessed the periodic appearance of a colossal luminous shadow. This shadow exhibited the unique property of absorbing ambient light over a wide area and causing rapid desiccation of vegetation upon contact. Simultaneously, an unidentifiable ultra-low frequency sound was detected, leading to severe malfunctions in survey equipment. Authorities have classified this unidentified phenomenon as a UMA (Unidentified Mysterious Animal) incident and are conducting a detailed investigation.

Details

On July 15, 2023, at 03:17 AM, an environmental survey team passing through the deep regions of the Chittagong Hill Tracts, near the Lushai Hills in Bangladesh, reported an unusual sight. They observed a colossal "winged shadow," estimated to be about 20 meters in diameter, that emitted a faint luminescence while significantly absorbing surrounding ambient light. Immediately after the shadow passed, vegetation within a radius of several meters rapidly withered and turned black-brown within minutes.

Following this report, authorities promptly reviewed past local folklore and unidentified sighting records. Ambiguous testimonies from local residents in the 1980s mentioned descriptions such as "a shadow that devours light covering the forest at night" and "dark spirits that sicken the woods." However, these accounts lacked specificity and had previously been dismissed as mere superstitions. This current incident, however, is accompanied by detailed observational data and testimonies.

An investigative team dispatched by the authorities conducted multiple measurements at the suspected appearance site of the shadow. As a result, specific ultra-low frequencies (approximately 7Hz) were periodically detected, but their source remained unidentifiable. Furthermore, widespread malfunctions of electronic devices, including digital cameras, GPS units, and wireless communication equipment, were confirmed during the emission of these low frequencies. Some recording devices experienced complete data loss.

Analysis of the desiccated vegetation samples revealed an unusually rapid rate of tissue decomposition within the plant cells. This was determined to be caused by an unknown factor, distinct from any known pathogens or environmental stresses. An unnatural cessation of life activity, clearly different from the surrounding healthy plants, was observed.

The investigation team attempted to track the shadow's trajectory, but continuous tracking proved impossible as the shadow appeared and disappeared in regular cycles. A tendency for increased activity during the new moon was observed, but its mechanism remains unknown. Infrared cameras and night vision devices failed to capture the shadow's true form, consistently recording it as a blurry, heat-source-like image.

The authorities are continuing to investigate this matter as a UMA-related incident. To date, no clear explanation has been found for the shadow's identity, the principles of its luminescence and light absorption, the mechanism of vegetation desiccation, or the source of the ultra-low frequency emissions. It is considered unlikely that this phenomenon is a natural occurrence.

Timeline

  1. July 15, 2023, 03:17Environmental survey team witnesses a gigantic luminous shadow and vegetation desiccation
  2. July 16, 2023Authorities receive the report and initiate preliminary investigation
  3. July 20, 2023Official investigation team arrives on site, confirms electronic device malfunctions
  4. July 22, 2023Unknown cellular decomposition detected in desiccated vegetation samples
  5. August 01, 2023Reappearance of the shadow confirmed, ultra-low frequency sound recorded
  6. August 10, 2023Continuous monitoring system established

Witness Testimony

Witness A (Environmental Surveyor)Suddenly, the forest was plunged into darkness, and within it, a massive, winged form faintly glowed. After it passed, the plants at my feet rapidly turned black. It sent chills down my spine.
Witness B (Communications Officer)The radio went completely silent, and the GPS stopped working. As soon as that deep, resonant sound started, all electronic devices died. Was it some kind of EMP, or...?

Kyu's Analysis

Environmental manipulation by an intelligent entity, or a phenomenon governed by unknown physics. Too many contradictions in the records. Intriguing.

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