Cassare Dragons are known for their magic-deadening abilities. Though not a conscious ability, a large field surrounds the dragon through which magic is passively nullified. This field is strongest near the dragon itself, and falls off with distance. The absence of magic often makes other creatures avoid them, though some will have the opposite reaction and seek refuge instead. It has also caused them to be hunted, as though the field is severely weakened once dead, their bones and scales retain some of the effect. Possessing such an item is considered a necessity by those who expect to face hostile magic.

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.

Homeowner is the proud owner of a home. While other dragons also have found places to stow their stuff and care for offspring, they're not OFFICIALLY the owners. Someone can just decide it's theirs now and barge in, and sometimes, that's what happens: a more powerful creature joins the current occupant or takes over. Homeowner has papers that say she is the owner of her cave and details her rights and what other people are and aren't allowed to do. Look at this certificate. Read this mortgage statement. Take note of these signatures. This lair belongs to Homeowner, and she will wave the papers at anyone who tries to trespass on the property or attack her. Surprisingly, her complicated stack of paperwork, magic-nullification, and commanding nature have kept even the most belligerent, bullying dragons from bothering her for long, and her cave and belongings inside are left intact even if she's out for the whole day.