Balloon Dragons are so named because they are filled with a gas that makes them almost lighter than air, similar to balloons. However, they are not prone to bursting, as they are covered in tough skin and can deflate themselves if necessary. In addition, they generally are slow moving. They use their gas bladders to float to the tops of trees, where food is more abundant. They can shift their weight from their backs to their fronts, allowing them to reach leaves and fruit.

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.

Lightball's main habit is floating out of control. She might end up daydreaming about who-knows-what and might just float on for a while, carried by air currents. She doesn't like her name but she also barely cares about it. If a hatchling asked her during a clan meeting, she would say, "A name is a name which is a meaningless word that is used to represent somebody." She is kind of brainless and almost always accidentally say the wrong thing even if she means it.