SCP-314 is a 0.97 m long, 0.21 m thick obelisk which is highly reflective and metallic in appearance, with tapered edges that are apparently sharpened to a molecular level. No material has ever been recovered from SCP-314. The object is capable of levitation and extremely swift motion, although it lacks any visible means of locomotion. Although research does not indicate any true intelligence, the object is most certainly sentient of its surroundings and extremely reactive to any motions or vibrations within an approximately 52-meter radius. Analysis of rubble recovered from the ground below SCP-314's origin point indicates that the object arrived at this location some time between 1975 and 1979, which is supported by pre-containment reports from civilians.
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Tier: At least 8-B
Name: SCP-314, "The Motion-Seeking Blade"
Origin: SCP Foundation
Classification: Euclid Class Anomalous Object
Welders: SCP Foundation
Speed: At least Relativistic (In 1.9 seconds, starting 52 meters away, cut apart 113 tennis balls and returned to its point of origin, almost 15% the Speed of Light), likely higher (Stated that it's maximum speed has never been seen)
Durability: At least City Block level
Range: 52 meter radius
Weaknesses: Will not attack anything 125 micrometers or smaller in size or anything outside its 52-meter kill radius