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.

Sanguisugus, obviously, is a Vampire Dragon who has a knack for not turning eggs into her future spawn. Once she bites down on an egg she just can't help but drink away the growing embryo inside, instead of infecting it with the vampirism gene. Like any other Vampire Dragon she tends to sleep the daylight hours away, and is highly active at night in which she pretends to be some fun loving and normal creature, but not because she is forlorn about her fate. Oh no. It's to lull other dragons into a false sense of security, before having a tasty meal in the night.