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.

Milo, not Zara, raised Clovyr. It was a fairly difficult time; in summer and fall, breeders stood around the entrance to The Cave, snatching up anything they could find. Milo had sacrificed some of Zara's precious hatchlings for their souls, and Zara was furious. Clovyr was supposed to be his punishment.

At first, it was quite the torture. He had to take the egg right out from a father Hellfire's nose, and was chased for hours on end. When he returned, his coat was scorched, and the egg had already hatched from the heat.

Clovyr and Milo have become quite close, however. By the time she had grown wings, she was already ruthlessly defending him. Milo being the demon he is, Clovyr has ended up just as cruel and sadistic as he. She loves blood, and will do anything to reduce a foe to a stain on the floor.

Clovyr has since left. Her cave is filled with the bones of opponents.