Swallowtail Dragons are graceful and quick flyers, much like their namesake bird. They are capable of precise aerial acrobatics, and can reach very high altitudes. Because of this, humans observing these dragons are often astonished at how large they are when confronted up close. A Swallowtail’s diet consists of insects and small mammals plentiful in temperate forests. These dragons are also made remarkable by their paper-thin wing membranes, which allow light to pass through, creating an astonishing effect on starry nights.

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.

Tragic Soul is an emotionless dragon who lives in a group of male and female Swallowtails. The male always has a neutral expression on his face and no Swallowtails in the group can figure out what he is feeling at any given time. Tragic Soul is very blunt and logical, but he takes no satisfaction or dissatisfaction from crushing another dragons dreams with cold, hard logic. When he entered the group, the male quickly found a mate in Broken Minds, a rather outspoken and simple Swallowtail. Why Tragic Souls picked her is unknown, since he shows no affection for her and barely ever gives the simple female attention. Not many Swallowtails in the group like Tragic Souls, so the male is left alone with his mate. He does intrude on conversations when one side is wrong, stating in detail how the statements are wrong and why. If any dragon gets angry at him, the male just walks away.

Tragic Soul doesn't seem to care at all about anything, including the dragons rejected from the group.