Split Dragons use their sharp teeth and wings to hunt large animals and rarely eat plants. They are intelligent dragons who enjoy mental challenges, preferably alone; Split Dragons are normally solitary except during mating season. When mating, many dragons come together in a group to raise their eggs and hatchlings. These groups tend to be very noisy—reminiscent of a thunderstorm—and last only until the hatchlings are capable of surviving on their own.

Dragons are highly-intelligent reptilian creatures that—from a human perspective, at least—appear to live forever. Many different varieties of dragon exist, each with their own unique qualities, habitats, and behavior. Adolescence in dragons is usually marked by the growth of a hatchling’s wings, although not all breeds of dragons grow wings and some breeds have other traits that indicate the beginning of maturation. In Galsreim, dragons and humans coexist peacefully.

Two-headed dragons are unique enough to deserve a separate classification from ordinary dragons. They have two necks, two brains, two mouths, but one stomach and one main body. The two heads usually work together, but there are times when they will fight each other, snapping back and forth. Their unique anatomy prevents them from breeding with single-headed dragons.

Eff and D-boy are the strange dragons of the cave, each one a creepy doppelganger of the other. Eff hates being one head on a two-headed body and would much rather kill D-Boy and control the body himself. He tries to get unsuspecting hatchlings to kill D-Boy, promising them heart meat, but the older dragons will always warn the tiny dragons and so they mostly ignore him. Unable to function on his own, Eff uses other creatures pain to rid him of his anger and frustration. D-Boy, ironically, is extremely depressed and wishes to die. He does not, however, want it to be by Eff's claws and so, while spouting despair, fends off Eff's attempts on his life. D-Boy would much rather take his own life and is always trying to jump off cliffs or get another dragon angry. Since this would also kill Eff more than half the time it is, again ironically, Eff who saves them both from the brink of death. In short, they do not have the most functional of relationships.