rating: +168+x

Item #: SCP-3994

Object Class: Keter

Special Containment Procedures: SCP-3994 is currently being held onsite at Site-92. The doors to SCP-3994's containment chambers must be pressurized as to prevent instances from maneuvering through gaps between the door and its frame. Instances are to be separated by category into their respective containment chambers in groups of no more than 15 per chamber. Should the number of instances in any given category exceed 800, termination of up to 500 instances may be permitted. Termination of an instance of SCP-3994 requires 87% of its mass to be completely destroyed, whether by incineration of 800 degrees Celsius, dissolution by an acid of 1.1 pH or less, or a detonation of 415 megajoules of trinitrotoluene. Recategorization of instances should occur bimonthly.

Foundation webcrawlers must consistently monitor upcoming meteor showers and databases of medical facilities in order to track uncontained instances of SCP-3994. Mobile Task Force Theta-991 ("Human Beings") is to be deployed wherever reports of SCP-3994 surface, and instances of SCP-3994 must be apprehended under the guise of relocation to a private medical facility.

SCP-3994 is to be provided a maximum of three times daily with Foundation-generated or heavily altered media (see Addendum-03). All media is to be centered around human activity and regarded as acceptable behavior for humans, regardless of the nature of the content. Incoming information from outside instances or sources must be immediately substituted with aforementioned media.

All personnel who interact with any aspect of SCP-3994 or files regarding it must undergo a blood test prior to entering and exiting the containment chamber as to prevent allowing the incorrect personnel from exiting.

Description: SCP-3994 is the collective designation for a cluster of extraterrestrial entities, currently consisting of SCP-3994-A-1 through SCP-3994-C-██. Instances of SCP-3994 have been grouped into categories A, B, or C based upon degree of shell decay, with A having no signs of shell decay, B having any amount of shell decay but with a retained shell, and C lacking any shell.

SCP-3994 develops and inhabits outer skins (henceforth referred to as 'shells') that resemble human beings. SCP-3994 will favor mimicking the appearance of a preexisting individual in its immediate vicinity if it lacks a shell; if no human is present, shell formation will occur regardless. These shells are assumed to act as disguises to hide the inner form of SCP-3994, but often fail to perform as intended; 68%1 of attempts by SCP-3994 to form humanoid shells have resulted in various deformities, including but not limited to twisted appendages, severe malformation resembling elephantiasis, disproportionate skeletal structure2, and ██████████.

The interior composition of SCP-3994 is of an unknown viscous substance. Without a shell, the bodies of SCP-3994 lack any confined form or structure, and may have a height upwards of 560cm. In this state, SCP-3994 maneuvers by dragging itself across a surface using any number of its limbs3.

96% 65% 38% of conversations held between Foundation personnel and instances of SCP-3994 have shown that SCP-3994 will actively copy the speech patterns, dialects, and languages of those whom they are exposed to; however, SCP-3994 demonstrates a great deal of difficulty in stringing together grammar and syntax, and has displayed symptoms in line with those of speech and communication disorders, notably cluttering and apraxia of speech. Instances under Foundation custody have shown to be adapting rapidly to match the language proficiency of personnel; countermeasures have been implemented to combat this (see Addendum-03).

Discovery: Initial discovery of SCP-3994 occurred after news stations in ████, Bolivia, ██ ███████, Germany, and █████, Madagascar reported dozens of wild animals having been shred to pieces with pulpy, viscous innards of a solid, uniform color4. Samples taken from deceased instances proved to be extraterrestrial, with no known relatives existing on Earth.

Several days prior to the initial discovery, all three cities had experienced a minor meteor shower. Meteorites retrieved near recovery locations have tested positive for DNA samples of SCP-3994, implying that SCP-3994 has been utilizing meteorites as a method of travel from their location of origin.

Addendum-01: On 1/6/████, 3 of the ██ total B-category instances of SCP-3994 progressed into a complete state of shell decay, hereby recognized as C-category. Crevices in B-category shells with protruding limbs, spines, and other appendages gave way to the full interior body of these SCP-3994 instances, effectively dissolving the shell. Testing suggests that shell decay is a natural process, with signs beginning 1-4 months after a shell is initially formed, and dissolving entirely within 1 year. The process of shell formation takes a maximum of 3 days. There is no known way to inhibit this process.

Addendum-02: Following Interview Log-013, SCP-3994 is confirmed to develop language proficiency, cultural understanding, acceptable social behavior, and other essential components of human interaction not only by interacting with humans directly, but also by communicating information between one another in a hive mind complex. Dampening this development by teaching SCP-3994 false information about humanity is necessary to uncover instances of SCP-3994 embedded in human society. Amnestics do not function as intended due to the composition of SCP-3994.

Incident Log-04: On 8/12/████, a security breach was attempted by SCP-3994-A-7, -A-24, -A-33, -B-3, -B-78, -C-16, and -C-27. -C-16 and -C-27 provided aid to the breach by pressing themselves between the crevices of the containment chamber door and the door frame to forcibly unhinge the door. They then functioned as a distraction by blocking off guards from accessing one side of the hallway leading to SCP-3994's containment chamber; guards were unable to destroy enough of -C-16 and -C-27's mass in order to surpass them into the hallway. Remaining instances of SCP-3994 had formed shells resembling onsite staff and security prior to the incident. Both B-category instances were able to conceal any protruding appendages by wrapping them in shreds of cloth taken from each other's uniforms. The group of A-category instances acted in the roles of personnel escorting wounded researchers to the medical bay. The security breach lasted a total of 23 minutes before all violating instances of SCP-3994 were terminated via heavy artillery fire.

Addendum-03: On 5/9/████, extensive countermeasures were implemented to prevent absolute blending of undiscovered instances of SCP-3994 into human societies. This includes:

- All recreational activities relating to forms of media used to convey information (films, books) must have scrambled text or speech

- No non-fiction media may be introduced to SCP-3994 under any circumstances

- No information regarding the personal lives of personnel may be mentioned under any circumstances

Incident Log-09: On 9/16/████, a breach was attempted by 14 A-category instances, 37 B-category instances, and 6 C-category instances. Dr. Koffman and 4 accompanying security guards approached SCP-3994's containment chamber, which caused the aforementioned instances to swarm around the door; it should be noted that this behavior is abnormal for SCP-3994. Dr. Koffman opened the door, and the 4 security guards were promptly trampled by the offending instances. However, all instances wove around Dr. Koffman, who headed in the opposite direction from the group until he was subsequently apprehended 11 minutes after the breach. The instances managed to reach the center of Site-92 before all were successfully terminated via a contained flood of 20,000 gallons of battery-grade sulfuric acid.

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