Green Dragons are also sometimes called “earth” dragons. They usually live deep within caves, and have power over the earth. They are capable of launching boulders at high speeds, and can cause earthquakes by slamming down onto the ground.

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.

Cernunnos, like his father Fudezhengshen and half-brother Yngvi Frey, loves growing things—however, unlike them, he prefers the wild forests and uncultivated land. He has been known to disappear for months in the wilder areas of his clan's territory, and when he returns, says only that he was "talking to the trees". His words must be powerful—some of the trees that he's befriended are large enough that two grown men cannot manage to reach completely around them. The woodland animals also seem to benefit—he's called "Stagsfriend" because the woods he frequents produce the mightiest and noblest stags, and the fleetest and most graceful does. Unlike Artemis Potnia Theron, however, he is NOT a vegetarian, and enjoys hunting—the deer and other hunted animals seem to accept this as his due.