PMEase-G4 Sandbox
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An instance of SCP-XXXX-2 located in [REDACTED] (██/██/████)

Item #: SCP-XXXX

Object Class: Euclid

Special Containment Procedures: The property above SCP-XXXX-1 has been purchased by the Foundation and was converted into Site-84 disguised as the “Redstone Agriculture Technology” company, a private laboratory specializing in the analysis of soil samples. The sewer conduits affected by SCP-XXXX-1 were separated from the surrounding sewage system under the guise of sewer maintenance operations.

The approval of Site-84 command or two level 3 researchers is required to access SCP-XXXX-1’s primary containment unit.
Any personnel entering the containment unit are to wear Type II environmental protection suits fitted with noise-canceling ear protection in order to prevent exposure to acoustic cognitohazard.

The areas of SCP-XXXX-1 currently under the control of SCP-XXXX-A to -F are to be marked through the use of commercially available cosmetic face paints. Markings are to be regularly renewed and readjusted based on interviews with SCP-XXXX-C and remote surveillance. Any observed changes in the areas of one or multiple entities are to be recorded and reported to site-command.

A speech-to-text device is to be used for interviews with SCP-XXXX-C. After the conclusion of each interview, SCP-XXXX-C is to be treated with Class-A amnestics in order to conceal its cooperation with the Foundation from SCP-XXXX-G.

Any persons that entered SCP-XXXX-1's containment unit are to undergo six-monthly psychological examination as a means of precaution in regards to unknown side-effects resulting from the shielding provided by SCP-XXXX-1 against the anti-memetic properties of SCP-XXXX-2.

Constant audio surveillance of the containment unit is to be analyzed by Foundation software for vocalization of the primary acoustic cognitohazards or an increase in the vocalization of non-anomalous names, titles and phrases assumed to refer to SCP-XXXX-G (see document XXXX-Rat-8). Detection of such an occurrence is to be considered as a sign for an upcoming manifestation event of SCP-XXXX-2 and site-command is to be informed immediately. As soon as SCP-XXXX-1 begins with the excretion of soil material Procedure XXXX-Seeker is to be enacted.

Description SCP-XXXX-1: SCP-XXXX-1 is an anomaly currently covering 5,600 m2 of the walls of multiple sewer conduits located in ████████████, █████. While walls not affected by SCP-XXXX-1 are made from red-brownish clay brickwork, any walls affected by the anomaly are instead formed from organic bricks of roughly cubic shapes with an edge length of approximately eight (8) cm. All of the organic bricks present a single eye, ear, nose or mouth on the surface facing the inside of the sewer conduit.

Scans of SCP-XXXX-1 have revealed the organic bricks to be made from human heads, which were violently severed at the base of the skull and underwent extensive rearrangement of their anatomy in order to accommodate their new appearance.

Genetic analysis revealed the heads to originate from non-related male and female humans between the ages of 5 to 104 years, belonging to a multitude of different ethnic groups. Through the use of chronological dating methods, the age range of the heads was determined to range from 11 months up to roughly 7,100 years.

A large number of heads belonged to persons reported as missing, including ██ Foundation personnel previously thought to be either lost or killed during various incidents as far back as 19██. As of ██/██/████ SCP-XXXX-1 consists of approximately 900,000 human heads.

While SCP-XXXX-1 was initially presumed to be non-sentient the existence of six (6) sapient entities (SCP-XXXX-A to -F) within the anomaly was discovered when SCP-XXXX-F made contact with Foundation personnel during construction of initial containment. Each of these entities claims a different area of SCP-XXXX-1 and is able to perceive its surroundings and create human speech using the sensory organs and mouths presented on the head bricks under its control.

All six entities are presumed to be able to gain limited access to the short and long-term memories of their respective heads. Due SCP-XXXX- A, -B, -D, and -E either being non-compliant with testing or speaking an unidentified language this ability could only be confirmed for SCP-XXXX-C and -F.

Description SCP-XXXX-2: SCP-XXXX-2 is a temporal anomaly affecting an area of paving ranging in size from 1 to 8 m2. The anomaly has shown a strong preference for either sett or cobblestones pavements made from paver blocks with a minimum surface area of 64 cm2. SCP-XXXX-2 manifests itself at a random location on earth1 with an average of 16 days between two manifestation events.

Approximately 64 hours prior to a manifestation event SCP-XXXX-1 begins to excrete 4-8 m3 of soil material from between its head blocks. The soil composition varies greatly between each instance but so far has been identical to the soil found beneath the future manifestation location of SCP-XXXX-2.

In all cases the excreted soil material contained DNA traces of various ground living organisms belonging to the families Myrmeleontidae (“Antlions”), Gryllotalpidae (“Mole crickets”) and Nemesiidae (“Funnel-web tarantulas”), regardless of the presence of these organisms at SCP-XXXX-2’s future location2.

During this time period, SCP-XXXX-C and -F are able to receive increasingly clearer sensory information from the prospective manifestation location of SCP-XXXX-2. Descriptions of these locations by SCP-XXXX-C have proven to be invaluable for the successful containment of SCP-XXXX-2.

While under the effect of SCP-XXXX-2 the pavement within the affected area keeps a constant surface temperature of 34°C, over its entire area irrespective of the environmental temperature. The pavement has also been observed to release a clear liquid and perform intense vibrations in order to regulate its temperature in hotter and colder environments.

As soon as a living human being directly bridges any of the clefts or cracks between the paver blocks affected by SCP-XXXX-2 the head of the subject undergoes [REDACTED], followed by the rapid liquefaction of the remaining body parts.

Despite the violent nature of the event persons witnessing it are unable to recall the incidence and state not knowing anything about the whereabouts of persons affected by SCP-XXXX-2 (but will still report them as missing).

In 88% of cases direct witnesses3 of the event report an unspecific feeling of fear when in close proximity to any kinds of pavements and try to avoid any clefts in pavement for the next 8 minutes.
When asked about this behavior witnesses cannot specify their exact reason for their actions. This behavior has been observed to reoccur at random time points up to 16 years after the first witnessing of SCP-XXXX-2’s effect.

Personnel who entered SCP-XXXX-1’s containment unit before witnessing the effects of SCP-XXXX-2 are not affected by its memory altering effects and are able to recall the exact events of what happened to subjects affected by SCP-XXXX-2 (see document XXXX-Tarantula 8).

Within 4-8 seconds after a person has been affected by SCP-XXXX-2 a random non-anomalous brick adjacent to SCP-XXXX-1 will transform into an organic brick made from the head of the affected person and become incorporated into one of the six entities SCP-XXXX-A to -F. After the incorporation has been finished SCP-XXXX-2 ceases to function and the affected area loses all non-anomalous properties.

Should no persons trigger the effect of SCP-XXXX-2 within 24 hours of its manifestation the anomaly automatically ceases function and disappears until the next manifestation event.

Addendum XXXX.1: Incidence XXXX.Kappa-4

On ██/██/████ during initial containment of an instance of SCP-XXXX-2 in the city of █████████, ██████ the instance was damaged by falling debris of an adjacent construction site. Recovered footage analyzed by members of MTF Eta-23 showed the pavement violently twitching for a few seconds while a mixture of blood, bone fragments and brain matter was extruded at high pressure from the wounds caused by the debris. After the twitching stopped the instance of SCP-XXXX-2 rapidly increased in size reaching a maximal size of 16 km2 in less than 24 seconds, leading to the incorporation of 12,608 persons into SCP-XXXX-1.

SCP-XXXX-A to -F showed signs of acute distress during the incidence and only assumed standard behavior 8 hours after the instance of SCP-XXXX-2 had ceased its functions. Entities

Addendum XXXX.2: Entities within SCP-XXXX-1

Addendum XXXX.3: Interview C8 (██/██/19██)