Object Class: Mirecourt Relic — Reflective, Transformative
Containment Level: High Observation
Status: Contained — Vault Section M5, Light-Suppressed Storage

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Description:
A square mirror measuring 28 x 28 cm, backed in warped mahogany. The centre is heavily tarnished to near-black, with radial silvering loss. A cracked upper corner bears the imprint of a small hand, embedded in a decades-old layer of dust. Surface analysis suggests no known origin for the backing glass compound.

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Recovery Summary:
Unearthed in 2014 within the cellar of a condemned farmhouse on the outskirts of High Halstow. The mirror was sealed behind an internal stone wall, embedded in what appeared to be non-existent architecture—a wall misaligned with known blueprints and not physically connected to adjacent foundations. The house had no recorded occupants for over 70 years.

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Anomalous Properties:

• Reflected Distortion:
  The object displays a secondary reflection, not aligned with standard visual physics. It presents a version of the viewer as perceived by the Mirecourt Realm—this includes visible mutations such as gill slits, webbing, elongated pupils, root-vein patterns beneath the skin, or total ocular absence. Observed mutations vary by individual.
• Somatic Manifestation:
  Exposure exceeding 60 seconds induces physical symptoms:
  • Brackish perspiration (saline + organic debris)
  • Transient interdigital webbing
  • Claustrophobic aversion to daylight or mirrors
  • Hallucinatory doubling (self-as-shadow, shadow-as-self)

Symptoms typically fade within 12 hours, though chronic exposure (see Incident M.Crane) may result in long-term cognitive deterioration.

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Field Note — Agent Report:

“My shadow looked different. It wasn’t me. It turned and looked at me. I don’t think I’m casting it anymore.”
— Agent M. Crane, prior to full transfer to Dream Unit Observation. Subject no longer responds to own name.

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Containment Protocols:
Object is housed in a lightless vault chamber, covered in black silken shrouds and suspended in a carbon-frame rack. Personnel must observe via indirect camera relay only. Direct eye contact strictly prohibited. No reflections (mirrors, glass, polished surfaces) are permitted within the vault.