Each Fever Wyvern carries a unique and very deadly disease on the spines of its tail. To make up for a lack of physical strength, the dragons use this disease to their advantage by poisoning prey and fending off attackers. The illness will quickly render victims helpless before eventually killing them. A Fever will track its prey until the target can no longer move. Usually a solitary breed, these dragons will only come together during mating season, and will flare out the brightly colored sails along their wings to help attract potential mates. Although it has been observed that the wyverns are nocturnal, they will often pick an open spot of sunshine to curl up in and sleep as the day passes by.

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.

Pickle Soup is a very strange dragon and doesn't seem to have many friends because the other dragons think he's crazy. When his owner found him as an egg, he was nestled in a patch of cucumbers on a pickle farm. His owner smuggled the egg from the farm and brought it home. As a hatchling, he was a very picky eater. His owner was very frustrated by this as she tried feeding him different things from beef to bananas. The sickly-looking hatchling refused anything his owner offered. Then one day, when his owner had to leave him home alone for a few hours, he found something he liked. While he had been playing in the house, he accidentally knocked over a jar of pickles. The glass broke and the pickles fell out into a bowl of soup that had been left out. It smelled so good that the hatchling ate the entire bowl! From that moment on, he was known as Pickle Soup. As an adult he's not as picky any more, but pickle soup is still his favorite item on the menu.