Designation:"The Echo That Remains"
Threat Level:Category 2 (National Threat)
Status:Partially Contained
Discovering Officer: Agent T. Kasumi
World of Origin: Earth (#234872)
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[DESCRIPTION]
KAC-1198 is not a creature, object, or location. It is a residual consciousness phenomenon that manifests in places where a human being once contemplated suicide but ultimately did not go through with it.
These locations—including rooftops, bridges, hospital beds, and certain secluded rooms—exhibit the presence of KAC-1198 for anywhere from 3 minutes to 72 hours after the individual leaves the area.
KAC-1198 takes the form of a vague human silhouette made entirely of delayed echoes—the sound of footsteps, breaths, sighs, and spoken words repeating seconds after they occur. The silhouette itself is translucent, often seen only through peripheral vision. The phenomenon does not produce light or heat.
Physically, KAC-1198 cannot interact with the environment. However, the entity exerts a powerful psychological influence on individuals within a range of 15 meters, causing:
- A sharp increase in introspection
- Memory recall of personal regrets
- A sense of being watched by one's future self
- Mild auditory hallucinations resembling the experiencer's own voice
- A compulsion to "understand what it wants"
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[BEHAVIOUR]
Although non-aggressive, KAC-1198 is considered a psychological threat because it forces experiencers to confront suppressed memories, unresolved trauma, or alternate life paths.
In rare cases, KAC-1198 will linger for years in the same location, repeating the same sequence of echoes night after night, as if trying to replay a moment until it "makes sense."
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[CONTAINMENT ATTEMPT]
KAC-1198 is not fully containable due to its intangible, location-bound nature.
Temporary containment can be achieved through:
- Isolating the active perimeter with white-noise fields
- Installing sound-dampening barriers
- Flooding the area with competing neural stimuli (music, chatter, controlled light patterns)
- Psychological stabilization of individuals entering the perimeter
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[FINAL NEUTRALIZATION]
KAC-1198 eventually fades on its own as the emotional resonance of the originating moment decays. However, certain locations—such as hospital rooftops and abandoned rail stations—retain the phenomenon with unusually long durability.
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[NOTES BY Agent T. Kasumi]
"KAC-1198 is proof that human intention has weight. Enough weight to leave a shape in the world long after the moment passes."
- Agent T. Kasumi
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[FILE END]