The feredroni (/ˈfɛrədroʊni/) is a pale green stranger with a mutable form composed of a foamy, sludge-like substance. This material is fluid, but leaves behind no wetness when touched, although it bleaches most surfaces that it comes in contact with. Its teeth and claws are solid but flexible, like soft rubber, while its gums are only slightly firmer than the rest of its body. The number of legs ranges between four to ten, but can be difficult to count, as legs contract, retract, and split apart as the feredroni moves. The feredroni carries an odor of bleach and other disinfectants, but this odor is not strong enough to be unpleasant, and, in fact, resembles the smell of a just-cleaned room.
The feredroni possesses enthusiastic regenerative ability, and small injuries close up within seconds. Although it regrows legs without effort, it cannot reform itself when bi- or trisected, and thus, can be destroyed by any impact which breaks its body into pieces.
Its voice is garbled, and during vocalizations, it splutters and gags indiscernibly, with no linguistic structure or consistency. When not speaking, the feredroni pants in and out with manic strains, like the inhalations of an out-of-breath animal.
The feredroni appears in any artificially sterile environment. Hospitals or medical facilities are the most frequent site of a feredroni infestation, but the feredroni also appears in veterinary facilities, morgues, and certain academies. The feredroni starts off as a small puddle, from which the head and legs emerge and recede as the pool grows in size. Over the course of several days, the puddle splits into three to ten separate and complete feredroni, which pull apart and go their separate ways. Feredroni puddles tend to form in open spaces or exposed corners in 66% of instances, and in cracks in the wall, inside of cabinets, or in other unusual locations the remainder of the time. Due to the feredroni's flexible form, even the most restrictive locations cause no ill effects to the emergent stranger, which slips out like a sudden growth of mold and takes solidity as soon as it finds space around it.
The feredroni's form seems more of a suggestion than a set template, and 35% of individuals display repeating deformities, such as double tongues, or three eye markings, to say nothing of the small, vestigial limbs found on the bottom of many individuals. Atypical individuals suffer no decrease in stability, nor do they display any variances in behaviour.
Individuals generate with more severe deformities 1% of the time. These feredroni possess one or no eye markings, and can produce only one to three legs at a time. They drag themselves along with weak, hopeless motions before they collapse and degrade, unable to sustain themselves for any longer than seventy or eighty minutes.
The feredroni possesses a mindless, glad disposition. It displays no particular motives or agenda, and wanders through its environment at random, its mouth hanging open and its tongue flopping with each eager stride. As it moves, it leaves behind small fragments and droplets of its body, which fizzle up, evaporate, and discolor the floor beneath them. This dripping causes only negligible loss of form to the greater creature, and any decrease in mass is regained during the feredroni's brief moments of inactivity.
When the feredroni does interact with the world around it, it does so by biting, chewing, and licking random objects, such as gurney frames, hospital machinery, door frames, or pillars. Despite its frenzied chewing, it leaves no puncture marks behind, as its teeth are too rubbery to pierce all but tissue paper, and its jaws provide little biting strength.
Medicine bottles and pills are of particular interest to the feredroni, and it eats them whenever it can. Due to its soft body, however, it cannot always hold objects inside of it, and the feredroni sputters with surprise when larger items, such as glass bottles, fall through its underbelly to the floor below. Successfully devoured objects dissolve over a period of several days, staining, at first, the feredroni's flesh, before this discoloration recedes into the feredroni's seafoam uniformity after a day.
The feredroni's reaction towards sensitives varies based on size. Small feredroni are more skittish, and tend to avoid sensitives, whereas larger feredroni (as well as conglomerated individuals) approach sensitives with happy excitement. While individual feredroni are typically non-violent, conglomerates display more aggressive, gnawing behaviours, with a tendency towards pursuit. Although the feredroni's claws and teeth are too soft to pierce skin, its foamy flesh acts as an irritant, creating an itching, burning sensation upon the skin.
In addition to this effect, the feredroni's presence destroys all bacteria. Thus, as long a sensitive is able to avoid actual physical contact, short encounters with the feredroni tends to be beneficial, as this stranger's antibacterial properties destroy many harmful bacteria, and can clear up even severe surface infections in sensitives. Prolonged contact, however, proves deleterious, as the feredroni destroys the numerous beneficial bacteria inside the human body, as well. Victims become vulnerable to pathogens, lose the ability to digest food, and experience numerous infections, among other symptoms. The rate of this effect varies depending on the size of the feredroni. The smallest feredroni take hours to have any noticeable effect, while encounters with large conglomerates can have fatal consequences after only a few minutes.
When attacked by a sensitive, however, even large feredroni grow skittish and run away, as it takes only a single blow to split its body in two.
The feredroni always displays a particular interest in any sensitives suffering from infection, often sucking on the sensitive's fingers as a child would the nipple on a bottle. Conglomerates split apart into individual feredroni in the presence of infection-suffering sensitives so that all individuals can provide the sensitive with their full attention.
The feredroni is drawn to human corpses, and often settles on top of them for long periods, a smile on its face and its legs retracted inside its body. While its flesh discolors the corpse's flesh, it also slows decomposition due to the strain's antibacterial effect. Once the feredroni is ready to move on, it extends its legs once more and continues on its way.
As the feredroni reaches the end of its lifespan, its behaviour becomes more calm and reticent, with only occasional erraticisms, such pacing, repetitive jaw-smacking, and tonguing of the eyes and age-loosened teeth. It dies by pressing forward and into a solid surface, as though walking through some unseen entranceway, and leaves no residue behind except for a discolored stain on certain materials.
Other feredroni approach and often try to 'merge' with the stain left behind by their now absent companion, an action which causes them no harm, but which does provoke a frustrated response when they are unable to move forward. Otherwise, the stain evaporates completely within 12-31 hours, all other discolorations caused by the feredroni over the course of its life return to vibrancy, as well1.