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.

Korokke has always had an inherent pickiness in his method of hunting and eating. For some reason, he prefers to only take down prey using his firebreathing, never using his claws or teeth to hunt. Additionally, he will sometimes spend hours sitting in front of the same quarry of venison or wild boar, blowing flames over it and then taking a bite, and then waiting a bit more for the heat to really sink in. His siblings think that this may be because he was somewhat spoiled when he was younger; when he was taken in as an abandoned hatchling, his adoptive parents attempted to teach him the value of patience by using slow-cooked meat as a reward. Korokke never quite learned to manage his temper completely, but his preference for smokier meals remains.