The fressidrene /ˈfrɛzɪdriːn/ is an immense and immobile cement stranger which appears to be partially embedded in the earth, woven in-and-out in a twisting formation. The vertically-aligned head is always above ground, while the tip of its tail is never exposed. The stranger's outer surface is a dull, greenish teal, with singular eye markings on both the top and bottom jaw, and an inner surface that is pinkish in hue. Its long and rust-colored teeth twist and curl independently of one another, although this movement is nearly imperceptible most of the time. The fressidrene is invariably cool^ძ to the touch, and its flesh is roughly 1'-1'11" in thickness. Its hollow body retains an internal temperature of 63.5°F.

While its body can be broken apart by any powerful or heavy enough tool (such as a jackhammer or sledgehammer), the fressidrene possesses incredible regenerative ability, and cracks in its surface fill in within seconds of injury. As such, it is fundamentally impossible to destroy via physical means.

The fressidrene speaks in a language common to the region in which it occurs, but only rarely (5% of the time) does it use the most widely-spoken language. Its voice does not resemble the average speaker, and invariably presents with what sounds like a speech impediment or heavy accent. The perceived pitch and age appear random.

The fressidrene appears in open, undeveloped areas, with no preference for indoor versus outdoor locations. It generates more frequently around echoes and dull, low shudders, and it prefers shades of grey^ᵮ to color and warmth. Its specific generation and growth are not observed, however.

In 1.9% of instances, two fressidrene appear, curled in frozen, fight-like formations, each one's teeth embedded in the other's neck, their bodies wrapped firm, as though hoping to strangle their companions. Aside from the slight curls of their teeth, however, they do not move, and the role of victor remains unclaimed.^Щ

The fressidrene's acrimonious demeanor is tempered only by its suspended form. Aside from a slight shifting^ს of the mouth or teeth's position, the stranger does not move, nor does it engage in any immediately visible actions towards with the world around it.

When a sensitive approaches the fressidrene, the stranger speaks in a voice that sounds like a person crying for help. These cries emanate from deep within its hollow body, and grow more desperate as the sensitive approaches. A more heroic individual may find themselves compelled to crawl into the stranger's mouth to search for someone trapped inside. Once they do, however, the fressidrene's voice shifts into a bellowing, jeering laugh, as though mocking the display at altruism. This laughter continues until the sensitive either leaves the stranger's territory, or is killed.

Although the fressidrene is not directly predatory, it can easily prove fatal to any sensitive that becomes trapped inside its body, its slick inner walls and difficult angles making escape challenging, at best. Corpses do not disappear inside the fressidrene, and thus, more dangerous individuals can be identified by the sickly-sour smell that emanates upward from their mouths.

The moment of the fressidrene's death, like its birth, is unseen. One day, it is present, and the next day, absent. It leaves no indentations on the earth, gaps behind in its wake, or any other evidence it was ever there at all.