(Note: Like wolfmen and other types of beastmen, the origins of so-called "horned men" may have involved the intervention of sorcerous power, directed by human ideas and mythology. As with other species, it is not presently known whether actual wizards were in some way responsible, or whether they were created by less-direct sorcerous means, such as a pantheonic echo of human mythology. There do exist alternate hypotheses however that Horned Men may in fact have evolved naturally, probably from bears in some ways resembling the modern grizzly. Until reasonable evidence can be gathered, it is difficult to judge the strength of different hypotheses of the species' origin.)
The race most commonly referred to as Horned Men by human beings are built much along the lines of standing grizzly bears, but with hind legs and lower body better adapted to standing, walking, and running two-legged, and forelegs more closely resembling human arms, right down to the presence of an opposable thumb on each hand. Their skulls and brain cases are of course much larger than grizzlies', peaked by the enormous horns that give the race its name. These horns vary somewhat in shape and size along hereditary lines, some tending toward a spiral shape like a unicorn's, some curving slightly backward as they grow, some straight and smooth. They grow throughout the Horned Man's adolescence, but cease to grow upon maturity, even if damaged or broken. Horned Men communicate mostly verbally; their powerful vocal apparatus is flexible enough to make themselves understood in human language when they learn it, though their speech is extremely gutteral and there are a number of human vowels and other phonemes they can not duplicate properly. In some Horned Man cultures, the horns of defeated enemies are used to sound war calls or even for long-range communication, but this supplements verbal speech in all known cases, never appearing to replace it, even in combination with gesture and boy language (both of which are of course of great importance in Horned Man societies, as in so many others).
Black Steel personnel have as yet encountered only male Horned Men; females are reportedly significantly smaller than the males, with much smaller horns. Together with their children, they are fiercely protected by their male kinsfolk, living in well-hidden homes with numerous measures planned for their secret escape should those homes be found and invaded.
What Black Steel personnel know of Horned Man culture is almost entirely limited to the warrior culture of the one or two tribes which include members who have signed on with the Black Steel military. The fact that some of these were able to speak local human languages prior to meeting with Black Steel personnel suggests that some degree of commerce, or at least parley, does occur between Horned Man and native human tribes in the area, but there have been few opportunities of inquiring into its nature. The warrior culture with which Black Steel personnel are familiar unsurprisingly extolls physical strength and prowess, relying on (usually-)nonfatal duels (most often fought unarmed, though a Horned Man's natural weapons are dangerous enouigh in themselves) to resolve even the smallest disputes. Moreover, though Black Steel personnel aren't squeamish about much, some are nevertheless unhappy about the Horned Men's tradition of eating the bodies of worthy opponents slain in battle, and their desire to be eat or be eaten by their Horned Man comrades should they fall in battle themselves.
If Horned Men are capable of wielding sorcery in any fashion, news of it has yet to reach Black Steel personnel. If more were known about their culture or home life in general, such information might hint at their possible sorcerous aptitude, but as things stand, it is only possible to say that the warrior culture to which those Horned Men who have interacted with Black Steel thus far belong -- including those who have joined the organization as well as those defeated by its forces -- is not at all conducive to sorcerous studies.