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.

Eric and Haku Smith hate one another. They are forced by some fate to share a body, but they really hate one another. Eric is a very social dragon that uses his intelligance to earn others respect and admiration. Haku, on the other hand, would much rather make jokes and lighten a heavy mood. So, when Eric is trying to have a serious conversation, Haku will often jump in and "mess everything up." They have fallen in love with Riku and Risa Omoshi: Haku likes the wild Riku, while Eric likes the bubbly Risa. They are all married to one another. Sounds like a sitcom, doesn't' it!