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The Id Fiend is a psionic predator whose greatest weapon is its ability to draw images of its victims’ fears from their minds.

The Id Fiend is very much like a gila monster or large lizard in appearance. It has a large, thick, stocky body supported by four muscular legs. All of the Id Fiends legs end in four clawed digits, three pointing forward and one backward. The torso of the Id Fiend usually ranges from 3 to 4 feet in length, ending in a long, tapering tail which is often up to four feet long. The head and neck of the Id Fiend measure two feet long, with its jaws making up about one foot of that length. The Id Fiends skin has a tough leather-like texture, varying in color from light brown and tan, found on specimens encountered in the desert, to a dark olive green, found on specimens encountered in the forests and jungles.


Id Fiends can be encountered in virtually any terrain on Athas. Some live in the forests and jungles near the Forest Ridge, while some make their homes on the flat Tablelands that surround the Sea of Silt.

Though active at all times of the day, Id Fiends are more commonly encountered at night than during daylight hours. These creatures have learned that their natural fear inducing ability is much more effective at night, and thus prefer to stalk their prey in the dark. Though Id Fiends do not have infravision, they are able to see adequately in natural darkness.

Id Fiends mate yearly, and females bear their young in litters of a single offspring. A new born Id Fiend is able to digest solid food at birth, and the mother will most often leave the youngling to fend for itself.


Id Fiends are predators. Before an Id Fiend will engage in actual combat with a victim, it will first stalk its victim using its Psionic Fear attack. The Id Fiend uses this attack when it first locates its prey. 

Once engaged in actual melee combat, the Id Fiend is still difficult to face. The Id Fiend is also a powerful Psionicist.


Dried Id Fiend blood is used in the creation of a potion concocted by psionic researchers; the potion allegedly increases the imbibers psionic abilities for brief periods of time.