Nebula Dragons are nocturnal creatures. With the best eyesight to be found, they are often seen staring into space. Each dragon tends to observe a particular nebula and will eventually change their colors and patterns to match it. As the nebula changes over time, the dragon changes with it. The more intricate the design of the nebula, the better chance an individual has of attracting a mate. It is said that the markings on no two Nebula Dragons will be exactly the same.

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.

Tanzantriom StarShimmer (after the gemstone: Tanzanite) is the 34th clan dragon, bringing with him a new and unique element to the clan cave. He spends much of his time wandering the night heavens, finding peace and happiness among the stars. His scales and wings reflect the namesake of his species, as does his temperament and demeanor. On cloudy nights, when the twinkling of the stars cannot be seen, Tanzantriom restlessly soars through the sky, attempting to overpower and replace the dullness with his own, shimmering likeness. He holds a special place in The Clan Mother's heart, a mix of the dark, blackness of night and the glittering beauty of the stars. Each morning, upon his return to the clan cave, all the clan dragons, both young and old, seek a glimpse at the intricate sparkles that cover his body, wondering in awe if, and how, the pattern has changed from the night before. Tanzantriom accepts this curiosity with grace and good humor, posing upon request for each admirer.