Aria dragons are a brightly-colored and sprightly breed, perhaps most adored for their lyric calls. Their song-like melodies fill the areas they inhabit; their coos resemble those of birds, only more elegant and refined. They have fairly strong magical capabilities, but tend to reserve these strengths for last-minute defense, choosing to live their lives in simple peace. Arias, sticking to the tropics, typically live quite far from human settlements, giving rise to the previously held belief that they had gone extinct.

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.

Sexy Sadie, one of the last of her breed that has roamed the caves for centuries, has had many mates in her hundreds of years of living, including many Silver and Frilled dragons. Her main mates, Buddy Thain, Kirameki Somerset, and Drucillo Penn, constantly bicker over who is her favorite. Sexy Sadie hasn't really thought about who her favorite mate is and simply doesn't care for them in the first place. She just enjoys the attention.

Sexy Sadie hasn't been dubbed the smartest dragon in the cave and just wanders around gossiping with other females. She can be extremely intolerant of other dragons' views of her and has been known to completely shun other females in the cave for speaking slanderous things of her.