Vampire Dragons are members of the undead. They sustain themselves by drinking the blood of others. It is said that they are only “alive” at night, and seem dead or asleep during the day, as they cannot endure sunlight for long periods of time. Vampire Dragons can only reproduce by changing the eggs of other dragons, puncturing the shell with their fangs and injecting venom that kills the baby inside.

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.

Rosalie is full of hatred and rage towards the band that exiled her. The only other dragon she is close to is Zafrina, another vampire dragon that she created that was exiled with her. Together, they spend most of their time plotting revenge against the rest of the band. Ever since Rosalie first hatched, the rest of the band has mistrusted her. They are afraid of her and wanted to leave her for dead in the forest. Their mistrust and hatred only grew after she bit her nest mate Snow Angel's first egg and transformed it into another one of her kind. Her and the new hatchling were exiled from the band and now live in another cave several miles from the rest of the band. Since they have been exiled they continue trying bite and change the band's eggs into more undead.