Olive Dragons are a small, forest-dwelling breed, rarely growing much larger than the average sheep. When alarmed, they can erect a long row of venomous spines on their back, serving to warn any potential predators that Olives are not a good choice for a meal. While not strong enough to kill anything larger than a small deer, their venom causes an extremely painful reaction and necrosis at the bite site, sometimes causing the flesh to rot and limbs to fall off.

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.

Sver has a rather cruel and twisted sense of humor. What he finds funny others find terrifying and hurtful. For that reason he has no friends besides himself, yet he finds that that's enough for him. On one occasion his planned joke went horribly wrong, and left a hatchling so horribly necrotic and deformed, the Whites decided to put it out of its misery. What he had planned on doing was to just jump out and scare a young Black dragon. However, when he went to do so the small hatchling tried to fight back out of pure instinct. Sver in turn bit the small creature, the flesh instantly decaying. And while the feathered Whites tried everything to heal the barely-begun soul, they had been too late, and the graveyard gained a new occupant. Meanwhile, the Olive was chuckling the entire time, simply muttering, "Oops".