Doctor Farson
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Sulfuric acid extracted from SCP-XXXX while developing

Item #: SCP-XXXX

Object Class: Euclid

Threat Level: Yellow Orange

Special Containment Procedures: SCP-XXXX is to be contained inside of a titanium sphere, which is in turn suspended in the air by attachment to the ceiling of the secondary containment room surrounding the sphere. The inside of the sphere must be resistant to a pH of as low as negative 12 negative 15.1. Audio and video recording devices must be routinely checked to identify any odd behavior. When communicating with SCP-XXXX, attempts to persuade the creature are advised. Outside of the sphere in the room surrounding it, barbed wire must cover all of the interior.

In the case of containment breach, electrical impulses will be sent at the organism via electric rifles or barbed wire. Note that the wattage of electricity used only needs to be above 10 watts of electricity. The creature will become weak and fall asleep. In the average thirty minutes of time between the electrical shock and the creature's reawakening, it can be put back into the containment chamber. Unfortunately, more electricity will not have any different effect on SCP-XXXX's span of weakness. It will only make it more aggressive when revivified.

Description: SCP-XXXX is a decapod creature with a roughly cone-like body structure. The creature's body is a slightly pale pink with no hair/fur to cover it. The organism stands at roughly six meters in height, mostly from the height of the torso. There are four main outer structures: the torso, the legs, the arms, and the head.

The torso is extremely wrinkled and folds in on itself near the legs of the organism. One anomalous area of interest on the torso is the navel, which takes up nearly 25% of the frontal surface area of the creature. SCP-XXXX can reach into the orifice and pull out an amorphous collection of acids, most notably sulfuric acid fluorosulfuric acid. The navel, however, is not the only orifice on the torso. On the bottom of the creature are many more orifices without known functions other than defecation and urination.

The ten legs of SCP-XXXX have high concentrations of muscle tissue, though it is not obvious due to the skin tissue folding in on itself. Each leg has two joints that assist the maneuverability of SCP-XXXX. It can run at up to 70 kilometers per hour in optimal conditions. SCP-XXXX accelerates the fastest on soil and has the most difficulty on spherical objects. The differences in maneuverability in some areas compared to others is also impacted by the anatomical structure of the feet. The feet are red and resemble rhinoceros horns placed upside down. They are composed of minerals of many types. As a result, the feet do not wear down easily.

The creature's two arms, unlike the rest of the body, do not have excessive amounts of skin tissue. As revealed in arm tissue test A, the skin surrounding the arms is made primarily of a strong, unidentified protein that can endure many extreme conditions, including, but not limited to, acid resistance, which might be the reason SCP-XXXX is able to come into contact with the acidic navel without being harmed, gunfire, and electric impulses, as discovered during Incident XXXX/1. The only other significant property of the protein is its adhesive capabilities when mixed with human mucus. This protein is found nowhere else on the outer body in quantifiable amounts. There is one elbow joint on each arm and the hands have four fingers (including one reminiscent of a thumb) and on the tip of each finger is a capsule composed of numerous layers of the unidentified protein. SCP-XXXX has taken advantage of these capsules to become temporarily resistant to damage.

The head bears great resemblance to SCP-3199, the only visual difference being skin color. This resemblance between the two creatures is due to the way SCP-XXXX was conceived. The organism was genetically engineered by research teams at the Foundation in project GESCP. They took an egg from an instance of SCP-3199 and injected,"designer sperm," into the egg in hopes of creating a thaumiel class creature. Some traits have yet to find their sources, such as the unidentified protein and orifices on the bottom of the torso, but the acidic navel, electric vulnerability, the mineral makeup of the feet, high speeds, and more features of less importance were intentionally added in by foundation staff. Unfortunately, the creature became too aggressive and defiant for a thaumiel class, therefore being reassigned into euclid after a loyalty test1 was conducted

SCP-XXXX appears sapient and displays a hatred towards all staff members of the Foundation on a personal level (not to be confused with hatred of all life. The creature only despises the Foundation). As discovered while interviewing SCP-XXXX, it knows that the Foundation designed it partially. SCP-XXXX also knows factoids that have never been shown to the creature, such as movie characters and staff members. This ability led to Incident XXXX/1 on May 31, 2025. Research is ongoing to determine how SCP-XXXX learns information, or at least find enough patterns to predict what the creature will ascertain in terms of knowledge.

Addendum XXXX-1: Project GESCP

Addendum XXXX-2: Interviews

Addendum XXXX-3: Incident XXXX/1

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