Deep Sea Dragons, as their name suggests, spend most of their time in the darkest depths of the sea. They have a bioluminescent dorsal spine that serves to attract prey and communicate with their own kind. As with many deep sea animals, they generally eat whatever they can manage to bait. They rarely leave the ocean floor, surfacing only during breeding season. When they do choose to travel to the shallower depths, they avoid bright lights and will only come up far away from shore.

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.

Sir Herald constantly lurks the depths of the ocean enjoying the freedom and unchallenged superiority of his position in the vast the sea. Sir Herald also bears the abilities and strength of the highest caliber of sea dragons. However a few times a month he will call to "his human" for a heartfelt reunion. During that time he would show his human the wonders of the ocean and embrace the bond they share before they depart again at dusk.