The miduradroni /mɪˈdʊərədroʊni/ is a rounded, weightless stranger with flame-like eye markings and small pupils. Its arms and tail are short, with neotenic proportions in the hands and feet. The mixture of superheated gases inside the miduradroni's body give it an internal temperature of 539,540°F, fifty times hotter than the surface of the sun. Due to its thick, hyper-dense skin, however, it does not radiate this heat outward, and is only slightly warm to the touch. Its skin feels like the surface of an old eraser, and the stranger's presence always smells like burning dust. Although the flesh is somewhat pliable, it resists most stretching, cutting, and tearing, and conducts no heat. Any regenerative ability appears nonexistent.

The miduradroni cannot speak. In fact, its lips are sealed entirely.

The miduradroni appears in residential areas. It is much more likely to appear in buildings that have been standing with minimal changes for at least 100-130 years, and never appears in buildings originally built for commercial purposes (regardless of the structure's current status as a dwelling). Historic, upscale houses are a common home for a miduradroni, as are decrepit, brick-walled apartment buildings which have received only the barest of maintenance over the years.

When it first appears, it balloons in size from a tiny point, a motion that takes less than a second.

The miduradroni possesses an impassive and oblivious disposition. It does not engage with the world around it, and instead, floats in the air with neither aim nor intention, only occasionally twitching its fingers or toes. It remains at a height of 5.4-11 feet, and although individual miduradroni do appear to have a preference in terms of where they float, this preference is by no means a constant. Its inflexible body limits it to weak, incidental interactions with the world. It grabs at curtains, pulls at peeling wallpaper, or and knocks books and plates off of high shelves, but otherwise, remains largely passive, though it does seem to gravitate towards sources of heat, such as fireplaces, ovens, and radiators, while avoiding open flame.^Ɂ

The miduradroni exhibits several unusual properties. Certain objects catch on fire when placed against the miduradroni's surface, while other objects remain unaffected. Lightweight paper ignites, as does thin fabric, such as silk. Thick paper and heavy cloth, however, display no change in temperature. The miduradroni never burns human skin, but has been known to sear meat placed upon its surface. It cooks eggs, but leaves most plants unaffected. Wood is heated, but rarely catches flame. Certain types of metal, however, become molten almost instantly, while others remain at ambient temperatures.

The miduradroni appears indifferent to fires which it causes.

The miduradroni is small when it first appears, but the presence of heat causes it to grow slightly larger over time, with the largest miduradroni reaching lengths of up to nine feet. The miduradroni is destroyed by freezing temperatures, which cause its body to gradually cool and deflate, with some slight and temporary wrinkling of the surface following this reduction in mass.

The miduradroni does not react to sensitives in any way. Sensitives, however, do notice a slight increase in body temperature when around the miduradroni, ranging from 0.5-1°F.

The miduradroni's presence also disrupts dreams to an extent, with nearby individuals (both sensitive and non-sensitive alike) experiencing bad dreams or night terrors. While the miduradroni does not cause non-predisposed individuals to dream of fire, those with existing trauma associated with fires or heat^Ⱨ invariably have nightmares centered on this subject matter.

Despite the miduradroni's otherwise passive disposition, its presence seems to be connected to house fires; indeed, a house in which the miduradroni appears is 6.4% more likely^ჰ to catch fire.