Black Dragons are warriors. They are strong and capable in battles of force, but also ample magic users, capable of devastating opponents with their spells. Their bright eyes give them excellent night vision, which is why they generally hunt during the night.

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.

Teslian was originally an outsider to the group of dragons he now lives with.  While he doesn't often talk about where he came from, it seems to have been unusually harsh and violent, for Teslian was quite harsh and violent himself to begin with.  Having been introduced to a more friendly environment, he's no longer aggressive and distrustful, but being poorly socialized, he can seem insensitive to others' feelings or end up saying the wrong thing at the wrong time.  One thing he hasn't lost from his upbringing is his ability to fight, and his desire to.