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.

Caliginous Romance is the essence of hate. Although Hellfire wyverns' social structure places him technically below females, the mere way he acts sends other males running and brings in female respect. He's hateful, petty, vicious, all the "good" qualities a proper Hellfire wyvern should have. He'll call the way he acts caliginous, the way he seduces other dragons caliginous romance. Dim, mysterious romance, and of course, filled with hate.

His Keeper isn't sure how he keeps a mate, the way he acts. The truth is, he doesn't. Sure, he's able to make other dragons love him (caliginously), but he never keeps them. He and his temporary mate will end up hating each other, at the very least. At the most, he's ended up killing the other.

Dragons other than Hellfire wyverns will describe him as a terrible, hateful predator. Hellfire wyverns themselves respect him, although not for long.

It turns out that his caliginous romance isn't the best for endearing dragons.