Originating from a single species that thrived in ancient times, Xenowyrms have become an incredibly diverse breed whose appearances vary depending on their habitats. Each Xenowyrm subspecies is heavily reliant on the power of different types of mana, making them powerful magic users. Pyros are easily the heaviest of all Xenowyrm subspecies and they use their weight to their advantage. If scorching their foes with flames doesn’t finish them off, Pyros will use the weight of their bodies for sheer crushing power. They create their lairs solely in volcanic regions, where lava and billowing flames are the land’s most prominent features.

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.

Much like a daydream dragon, Shirlena spends most of her free time thinking happy thoughts while floating lazily on an enormous cloud. If she gets hungry, she uses magic to bring things from the surrounding area and rests them on the cloud as she eats. She doesn't care what people think of her hobby and tunes out any criticism she feels is unwarranted, which is most of it. Because Shirlena's method of relaxation entirely relies on magic, she gets very angry when someone magically removes the cloud or brings a nullifier. If something causes her to fall, whether it is an unwary cassare or her own lack of concentration, she throws a fit and hops around, crushing anything she touches and causing tremors. Since Shirlena lives near several active volcanoes, one of her tantrums was thought to be the cause of the smallest volcano's eruption about a decade ago, but dragons and humans there still debate if that's possible.