Magma Dragons are capable of withstanding the intense temperatures of their element. They live in volcanic regions, their bodies coated in the red hot magma which clings to their scales. They must leave the lava fields in order to hunt, although they require surprisingly little food to sustain their lumbering mass.

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.

Thus named because of her peculiar killing method, Thornskull enjoys skewering prey on her head spikes rather than merely setting them ablaze or clawing them do death as other magmas are wont to do. At first zoologists were baffled by this behavior, but they've now come to believe it is an evolutionary adaptation. Incinerating prey leaves it with little nutritional value, naturally, while eating it raw can lead to parasitic infection; but since Thornskull often leaves her victims impaled on her horns for a while, the heat of her body and habit serves to cook her meals, killing off harmful bacteria and any other unpleasant things within her food. However, Thornskull thinks this suggestion is silly, and after declaring that she did it merely because she enjoyed impaling things, proceeded to chase the scientists off a thankfully not-too-high cliff.