SCP-4431 - 南極地下での出血
Item#: 4431
Containment Class:
Secondary Class:
Disruption Class:
Risk Class:



特別収容プロトコル: 研究ステーション-05がSCP-4431-Aの直上に建設されています。南極大陸全体の地震計はSCP-4431-Aからの活動を監視し、アノマリーの振る舞いにおける如何なる異常も報告することになっています。SCP-4431-Aの調査が必要になった場合に備えて、最低1台の穿孔調査機と氷床掘削機構がステーションに配備されるようにします。

SCP-4431-Bの出現報告のため、財団・非財団問わずに南極の全ての研究ステーションとの連絡が維持されます。出現が報告された場合、ステーションの職員は出現、およびその結果生ずるSCP-4431-C個体を監視するよう勧告されます。対象の死亡によって取り外されたオブジェクトは、最寄りの財団施設へと移送されます。必要に応じて、機動部隊サイ-1 ("ミスカトニック派遣隊") が収容のために配備されます。これらのアノマリーを目撃した非財団職員は、南極退出時に相応の記憶処理が行われます。





説明: SCP-4431は東南極に存在する2つの人工地中構造体(SCP-4431-Aおよび-B)、およびサイオニック生命体群(SCP-4431-C)を指します。


SCP-4431-B is a cylindrical tunnel constructed from a rhodium-platinum alloy, with a 11m interior radius. The tunnel extends for 39m before reaching a sharp vertical drop, which descends for a distance estimated to be a minimum of 3,000m. SCP-4431-B will manifest in a region of the Antarctic Plateau on a bimonthly basis, rising out of the terrain until a majority of its entrance is exposed.2 A variable number of SCP-4431-C instances will then exit, often between one or seven. After a period of time ranging from eight hours to three days, SCP-4431-B demanifests, retracting into the ground. Connection with tracking devices placed on the structure during demanifestation are all lost after two hours, preventing observation of SCP-4431-B's relocation.

The body structure of SCP-4431-C instances can vary, though consistent details have been determined. These details are as follows:

  • 1m tall upright conical bodies, with the main body and each limb segmented in a manner similar to arthropods. The main body is divided into three sections.
  • Four or more legs attached to the base of the body.
  • Variable numbers of 3m long tendrils on the body's midsection, each ending in a claw.
  • A toroidal mass covered in small, unknown biological structures, affixed around the top of the body. Presumed to be a form of sensory organ.
  • A set of mandibles on the bottom of the cone.

Anatomical deviations tend to include features that aid in withstanding Antarctic conditions or other purposes. Tumorous growths acting as heat radiators have been observed, along with cybernetic flamethrower implants. Many instances possess conical protrusions on their body, which open to dispense environmental monitoring devices.3 Rarely, instances are found with the tops of their bodies replaced by antennas and clusters of spherical machinery that serve similar purposes.

Following SCP-4431-B manifestation, SCP-4431-C instances will attempt to construct makeshift structures from any surrounding materials, presumably intended to be shelters. Instances typically expire in a few hours from environmental factors, though ones brought into containment have average lifespans of 11 hours. Primary cause of death is the gradual degradation of internal organs. Following this, all organic matter on the instance dissolves into a bright pink fluid (hereafter referred to as haemorozin).

Instances possess psionic abilities, used for the manipulation of objects, surroundings, and entities. Limited telepathic communication has been displayed on occasion.

Information on the suspected origins of SCP-4431 is restricted.

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