Balthazaar's Sandbox.
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████████ island as seen from Biological containment site-40 prior to operation Soddom

Item #: SCP-XXXX

Object Class: Euclid Keter Neutralised Safe

Special Containment Procedures:
All samples of SCP-XXXX save for SCP-XXXX-A are to be contained within standard issue aerosol proof tightened canisters within a locked hermetically sealed freezer to be kept within BSL-3 Laboratory-XXX. All staff working with SCP-XXXX in any capacity are expected to adhere to BSL-3 protocols at all times. SCP-XXXX is to always be confined to small, tight environments no larger than 12cm2 in order to keep its anomalous nature from manifesting. Testing of SCP-XXXX may only be authorized by level 4 personnel or higher.

Biological Containment Site-40 is located one (1)km away from the island on which SCP-XXXX-A is located, and is disguised as an operational weather station. Local weather patterns are to be monitored at all times to determine the threat of surrounding areas being exposed to SCP-XXXX. Following increment weather, personnel are to closely examine potentially effected areas. Personnel are to constantly monitor the location for any change in activity, patrol the waters around SCP-XXXX-A, and ensure no members of the civilian populace enter the area. SCP-XXXX-a is to be fenced off, and houses an on location security building for on site research and security maneuvers. All testing within the area of SCP-XXXX-A must be carried out with no fewer than 5 security personnel, and all researchers and security personnel are to be equipped with level 4 NBC suits. The borders of SCP-XXXX-A are to be sprayed with diluted formaldehyde and chlorine three times weekly, and all SCP-XXXX-B individuals are to be kept from crossing this border with lethal force.

Any individual entering SCP-XXXX-A and captured by any instance of SCP-XXXX-B is to be terminated from range, save for D-Class testing. In the event a civilian survives exposure to SCP-XXXX-A or SCP-XXXX-B they are to be treated for anthrax, questioned thoroughly, and monitored for any anomalous effects for a minimum of 6 months before being cleared for release and administration of class C amnestics.

As of 27/10/1984 all personnel operating within the area effected by SCP-XXXX-A are to be equipped with automatic weaponry and an armored transport vehicle.

MODERN CONTAINMENT: SCP-XXXX has been allowed to establish an environment within Biological Containment Site-40 in order to better understand its effects and anomalous nature. No more than 1 specimen of SCP-XXXX-B may be allowed to exist at any one time, research exceptions may only be approved by level 4 staff or higher.

SCP-XXXX is a variation of the M36 Vollum strain of anthrax altered by an unknown thaumaturgical catalyst developed by the Defence Science and Technology Laboratory (Dstl) under the directives of the British government in mid 1941. Though very little documentation remains, it is known that the M36 Vollum strain of Bacillus anthracis bacteria was bound to a thaumaturgic catalyst via unknown means, and was designed to cause rapid population growth along with increased spore production in a rapid period of time. Dtsl designed the strain as an area denial weapon to render cities uninhabitable, and to infect livestock in effort to destroy enemy food supplies.

SCP-XXXX anomalous effects manifest when exposed to an aerobic or anaerobic environment with sufficient space to allow a large population to survive, typically when released from the delivery canisters designed to be the primary delivery agent by the Dstl upon manufacture. Currently, there is only one such area that has been heavily effected, located on ████████ island, Scotland, and has been designated SCP-XXXX-A. SCP-XXXX-A is approximately 1.7 x 0.8km in area and has been active since 1942. Upon release, SCP-XXXX intially behaves typically of Bacillus anthracis, growing in soil and producing Anthrax spores, albeit at an extremely rapid rate. the anomalous effects of SCP-XXXX maifest intially as a small scale terraforming of the soil in which it grows, producing high levels of Sulfur, potassium and fluorine. Over time, it will cause the geography of the area infested by the bacteria to change drastically, forming new lakes, rises and cave systems. After a lengthy time period, SCP-XXXX will cause previously unknown flora to grow in its environment, primarily fungal but not appearing to adhere to any one biological order. These organisms have proven highly resistant to a wide variety of environmental conditions, and seem to aid in the terraforming of the environment via unknown means. This flora takes a variety of forms, but the most common is a brown fungus with ground creeping vines that secretes organic compounds into the earth much like that of a sundew. Once flora has become firmly established in the effected area, humanoid entities were seen to arrive via unknown means from under the earth in SCP-XXXX-A.

Designated SCP-XXXX-B, these possess both mammalian and fungal traits standing on anywhere between 0.2 and 0.8 metres tall, with recent emergences being of larger size. They have no outward sensory organs and are able to perceive their environment through unknown means. they produce anthrax spores in large quantities from sponge-like cavities on their backs and exhibit total immunity to its effects. The only facial feature SCP-XXXX-B possesses is a vestigial mouth covered in skin, suggesting evolution akin to that found in non anomalous animals and plants. They subside primarily on the liquid produced by the fungus growths in the area, which is consumed by filter feeding via their porous skin. They appear capable of sexual reproduction with one another, but seem to very rarely engage in it.

Long range observation of SCP-XXXX-B has taught us much of their behaviour and suggests that they possess a rudimentary intelligence, being capable of teamwork, low level tool use, and communication through vocalization. They tend to spend most of their time traveling about SCP-XXXX-A vocalising to one another, eating as groups, and building primitive structures resembling teepees. Each item is topped with dried branches and stones. The origin of this behaviour is not known to be innate knowledge or something greater at this point in time. Close range observation of SCP-XXXX-B has proven too dangerous due to the extreme aggression and borderline religious practises shown towards humans. Why they behave so differently towards humans compared to other animal species is unknown, but is theorized to be due to anatomical similarities.

SCP-XXXX-B have been observed to display primitive behaviour closely reminiscent of human religious ceremonies and rites. Such behaviour includes mass gatherings before a large structure resembling a teepee or church steeple where they vocalise in unison for extended periods of time. This behaviour seems to be linked to their hostility towards humans, as when an individual is discovered and captured by any number of instances of SCP-XXXX-B they will be brought to this location and subjected to various activities, including the forced consumption of SCP-XXXX-B flesh and immersion in a deep pool of the fluids exuded by the local flora over an extended period of time. In 74% of cases the individual will succumb to cutaneous, respiratory or gastrointestinal anthrax. Bodies of such individuals are allowed to remain at the base of the structure built by SCP-XXXX-B

While an infestation of SCP-XXXX can take place extremely rapidly, its anomalous effects take place over a significant time period, and in the case of SCP-XXXX-A it was not discovered to be more than garden variety anthrax until 23 years after initial release.

Addendum XXXX-1: Since SCP-XXXX-A's discovery in 1965, it has been observed that instances of SCP-XXXX-B are growing exponentially larger. Following recent findings, it is now believed that the maximum size attainable for SXP-XXXX-B is 1.57 metres in height.

Addendum XXXX-2: As of 27/10/1986, the maximum height of SCP-XXXX-B has been found to be between 2,4 and 3 metres. Recommending security measures be tightened and any peronell entering SCP-XXXX-A be heavily armed and provided with an armored vehicle.

Addendum XXXX-3: (Incident report?) On 19/2/1990 a SCP-XXXX-B specimen emerged from the center of SCP-XXXX-A measuring 4.8 metres tall, displaying unusual coloration and behaving in a significantly more agitated manner than other SCP-XXXX-B individuals. The specimen was seen to assault the on site Foundation Security station resulting in ██ casualties before attempting moving out of SCP-XXXX-A and towards the coastline. Specimen was dispatched by an attack helicopter (Figure out what attack helicopter the british used in 1990) sent from Biological Site 40. Post Motrem analysis discovered no differences between the specimen and other SCP-XXXX-B specimens other than in pigment, leading to the conclusion that SCP-XXXX-B specimens will continue to grow at an exponential rate.
In wake of these events, SCP-XXXX has been reclassified as keter, and SCP-XXXX-A has been slated for neutralisation.


MTF Beta-7 during operation Soddom.

Between the 25/2/1990 and 19/5/1990, SCP operatives from Biological containment site-40 collaborating with MTF Beta-7 ("Maz hatters") enacted what is now termed operation Soddom to neutralise SCP-XXXX-A. Initial stages of operation soddom consisted of four squadrons of security and containment personnel equipped with armored vehicles led by MTF Beta-7 neutralising all instances of SCP-XXXX-B present within SCP-XXXX-A save for 4 individuals captured as specimens over the course of a day. Following this, MTF Beta-7 proceeded to throughly excavate in excess of 3000 metric tonnes of topsoil and anomalous flora from SCP-XXXX-A and the remainder of ████████ island, including all structures constructed by SCP-XXXX-B. following this, the island was sprayed with over 280 tonnes of formaldehyde followed by equal amounts of chlorine in an effort to destroy all traces of SCP-XXXX in the area. Subsequent sprayings were enacted over the following months, and captured specimens of SCP-XXXX-A and B were transferred to secure containment within Biological Containment Site-40. As of the 24/5/1990, SCP-XXXX-A is to be considered neutralised and SCP-XXXX is fully contained.

Addendum XXXX-4: MODERN NOTES: Following incident XXXX-271, SCP-XXXX is now believed to be an anomalous strain of Bacillus anthracis that creates a slow acting unstable extradimensional rift within the earth of any area currently infested by the bacterium. As the bacterium develops a large area of residence, material from the other side of the rift will slowly bleed through to the resident area. It is hypothesised that organisms crossing to the resident side of the rift are genetically altered by the process, rendering them immune to the effects of anthrax and in the case of SCP-XXXX-B allowing them to produce anthrax spores from their bodies.
SCP-XXXX-B display a form of hive intelligence proportional to the number of individuals present within a 3km radius, with large numbers of individuals being capable of complex actions,2 whereas smaller populations lose this cognitive ability. populations fewer than 3 individuals are not considered to be sapient, posing very little threat.

Addendum XXXX-5: MODERN SUMMARY: In addition to the stable SCP-XXXX effected area and SCP-XXXX-B specimen in containment, 19 SCP-XXXX-B specimens and 6 altered civillians and foundation personnel remain in storage for cataloguing and research purposes. (Addendum? Be more blatant with how they're altered? High clearance required?)