Hellfire Wyverns are so named for their foul tempers and fiery visages. Their social structure places all females above all males, due to superior physical characteristics and violent dispositions. Forced subservience of the males causes them to become vicious, petty, antisocial, and passive-aggressive compared to the aggressive and social females. However, orphaned hatchlings raised by foster parents of another species can develop surprisingly even tempers and mellow dispositions, proving that their defining unpleasant nature is, in fact, a learned behavior.

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.

Blastbreath is generally calm and social, having been raised by non-Hellfire dragons, but he occasionally shows some behavior characteristic of his species. If any female requests anything of him, he'll do it with minimal complaints. He's a tad overprotective of his belongings if a male gets near them, but will cower as a female steals anything. And some days, Blastbreath is downright moody, hiding from others to sulk. If any dragon, regardless of gender, disturbs him, he'll lash out ferociously.