Item #: SCP-0-12(et).2

Object Class: Keter

Special Containment Procedures: SCP-0-12(et).2 is to be contained within a soundproof chamber at Site-██. Access to the chamber is restricted to personnel with Level 4 clearance and must be accompanied by at least two armed guards. The chamber must be monitored continuously for any signs of containment breach. In the event of a breach, all personnel are to evacuate the area immediately and await further instructions from Site Command.

SCP-0-12(et).2 is an entity referred to as the "Screeching Noise." The exact nature of SCP-0-12(et).2 is currently unknown, as it produces a sound that defies description and comprehension. The sound has been described by witnesses as a "screeching noise," but this designation does not accurately convey the full extent of SCP-0-12(et).2's anomalous properties. SCP-0-12(et).2's shape and other characteristics are currently unknown.

SCP-0-12(et).2 was initially discovered after reports of a strange, ear-piercing sound emanating from a shifting, complex cave structure near ██████, ██████. Foundation agents were able to locate and secure the entrance to the structure, but were unable to approach SCP-0-12(et).2 after conducting an investigation. The entrance to the cave structure is now contained at Site-██ to prevent breaches in containment.

SCP-0-12(et).2 is dangerous and must be approached with caution. The sound it produces can cause severe psychological and physical harm, including but not limited to: hallucinations, disorientation, memory loss, and physical trauma. The full extent of the effects of SCP-0-12(et).2's sound is unknown.

SCP-0-12(et).2 has been analyzed using various musical and philosophical techniques, including SCP poetry, dictionaries, and creative explorations. These studies have revealed that SCP-0-12(et).2's sound has a shifting, ever-changing quality that makes it difficult to categorize and understand.

Surviving D-Class personnel who have been exposed to SCP-0-12(et).2 have reported feelings of awe and terror, as well as feeling lost in a simulated environment for an extended period of time. These effects are not always accompanied by actual loss of consciousness.
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