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Entity Number: 24
Habitat: Majority
Class: 2

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A Wall Worm Infestation.

Description

Although numerous Wall Worm variants have been documented throughout the Backrooms, all have been described as long, thin worms which move in an undulating, pulsing rhythm that many describe as unnatural or robotic. The majority of these worms are said to resemble the common earthworm, but much larger in size, with the average measuring around 4 ft in length and 8 inches in diameter.

Wall Worms do however vary wildly in size, with possibly only the environment limiting how big they can get. Worms in Level 0 and similar levels will be, on average, around 40cm long and 15cm at the widest point (the midsection), whereas levels with large uninterrupted sections of material such as the ground of levels resembling the outside of the Frontrooms can have Wall Worms as large as 6 meters in diameter, with unconfirmed reports of worms "as big as a bloody mountain range"

Worm Core

Wall Worms are most infamous for containing robotic cores in their interior which serve as their life source. These robotic engines differ from worm to worm and are usually in a rusty state of disrepair despite remaining functional. Some Wall Worms have been described as thin layer of skin stretched out over a cylindrical mass of electrical wires that extend from their core, while others will have a small core buried deep within an extensive and otherwise natural epidermis of flesh. The most common of these Worm Cores however resembles a series of cylindrical batteries connected by thick wires that run along the inside of Wall Worms serving as an artificial spine. To date no Wall Worm in captivity or otherwise has been observed to die of natural causes, but they can be killed easily by destroying this inner core.

Worm Slime

Aside from providing the electrical pulses that allow Wall Worms to move, these corroded engines will also produce a corrosive, viscous slime of unknown chemical composition that allows Wall Worms to "eat" through almost anything. This residue displays highly acidic properties and is highly flammable, threatening to make entire colonies and outpost infrastructures unstable if a Wall Worm infestation is not dealt with immediately. If the flesh of the Wall Worm is damaged or removed, it will be fully regenerated within a period of 2 days via chemical reaction that causes a Wall Worm's acidic slime to congeal and coalesce into new layers of skin.

Habitats

Common Wall Worms seem to generally inhabit levels made from soft materials such as rotting plasterboard or dirt, which they spend their time tunneling through at speeds of up to 0.5 m/s. A few of these have also been known to inhabit sections of levels made of harder materials, such as wood or concrete, though these are considered less common and tunnel through these materials at a much slower rate. Wall Worms have been known to adapt depending on the habitat they find themselves in, though how these variants of Wall Worm are produced or created remains unknown.

Variants

Fume Worms

Fume Worms can be identified by their green, slug-like appearance that differs from the more common earthworm appearance of the Wall Worms. Generally, these worms will measure around 5 ft in length and 2 ft in diameter, and move at a much slower speed than others of their kind. Fume Worms are also less likely to burrow into the ground or through walls, as the acidic slime produced by these worms will also be of a much weaker variety, leading them to inhabit garbage filled areas with an abundance trash and litter they can easily feed upon.

Fume Worms are named after the black pillars of smoke which are constantly emitted from either side of their bodies, and which seem to be generated as a toxic byproduct of their inner core. This smoke has been known to linger for days after a Fume Worm infestation has been cleared out, and if allowed to fester uninterrupted, these fumes can lead to a deadly explosion after coming into contact with fire. It should be noted that activating these explosions will not eliminate a Fume Worm infestation, as the flesh of these worms is highly resistant to fire.

Screw Worms

Screw Worms are among the rarest of the Wall Worms, living only in Levels composed entirely of metal and machinery. These worms will generally measure around 6 ft in length and 1 ft in diameter, and normally move at the sluggish pace of 1 mph, though a rare few have been recorded moving as fast as 10 mph when in pursuit of Wanderers. The flesh of these worms has also been described as being particularly difficult to pierce, though doing so is still possible.

While Screw Worm slime is only slightly more acidic than that of the common Wall Worm it has no trouble burrowing through solid metal, as it is able to produce a Corkscrew-like blade from a mouth-like orifice located at the front of its body, that is capable of drilling through even the toughest of barriers. These corkscrew blades seem to be part of the Screw Worm's inner core, and can extend up to 4ft in length when protruding from the mouth of these worms. While in a hostile state, these Worms have been known to use these blades to maim and kill wanderers who wander too close to their feeding grounds.

Pulse Worms

Pulse Worms largely resemble ordinary Wall Worms, but will have a slightly more purple hue to their skin, and grow to lengths of up to 18 ft long and 8 inches in diameter. Pulse Worms are often found snaking through multiple rooms and burrowing through the levels they inhabit, tunneling at speeds of up to 8 mph as they wander aimlessly in random directions without cease. These worms appear to move in small bursts, following a constant rhythmic pulse generated by their inner core.

These cores will resemble a series of cylindrical batteries connected by a thick wiring that spans across the entire inside of their bodies, sending electrical charges through the Pulse Worm that enables it to move. Due to this electric pulse, touching one of these can be extremely dangerous, as it can result in you receiving a lethal shock that results in temporary paralysis. Pulse Worms are known to inhabit levels with some form of electrical wiring, and form infestations where electric cords and wiring is abundant. These infestations can quickly lead to power outages across entire levels, making them significantly more difficult to traverse.

Gordian Worms

Gordian Worms are considered to be the most overtly hostile of the Wall Worm variants, but also among the rarest, with roughly only 1 Gordian Worm being reported for every 1000 reports of the Common Wall Worm. These worms are also the most slender of their kind, measuring around 9 ft in length but only 2 inches in diameter, allowing them to burrow into the flesh of wanderers and slither into the body without killing its host.

Once burrowed inside of a human host, the Core of the Gordian Worm initiates a chemical reaction that causes the acidic slime of the Gordian Worm to congeal and fuse the worm to the person's flesh. Once fused, the Gordian Worm is able to twist its body in a number of ways to manipulate and control the host, forcing you to wander aimlessly through the Backrooms until you are able to extract the parasite from your body.

Colossal Worms

Colossal Worms are considered to be the rarest variant of their kind, with only 3 recorded sightings currently documented. Colossal Worms can only be found in Levels with large, outdoor areas and areas access to dirt or mud. These gargantuan Worms have been reported to measure around 6 meters in diameter and 30 meters in length, though these measurements remain unconfirmed. Although the slime of these worms is considerably less acidic, these worms are still able to effectively dig through dirt by producing a deep, rumbling hum that vibrates the earth around it, liquifying it as the creature borrows at a constant pace of 10 mph. This rumbling sound has been described as loud and disturbing, and can cause those in proximity of the Colossal Worm to become disoriented.

Origins

Much speculation has occurred in regard to the origin of the Wall Worms within the Backrooms. The currently accepted theory is that Wall Worms are artificially created entities which emanate from somewhere deep in the Backrooms, created by some unknown intelligent entity for an unknown purpose.

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