Heartseeker Dragons are very social creatures that emanate a sweet chocolatey scent. Their captivating perfume easily attracts adult dragons that don’t yet have a mate. Heartseekers use their keen sense of smell to detect solitary dragons and potential mates in the area. By rubbing their fins against objects such as trees and rocks, they leave a scent trail for the other dragons to follow to meet each other. Although these dragons are seen year-round, the scent of a Heartseeker becomes particularly potent during the middle of winter. During this time, a single Heartseeker may play matchmaker to dozens of dragons, but he will also choose a special mate of his own.

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.

Jack of Hearts and Matchmaker, the local Heartseeker dragons, have an intense rivalry going on between them.

The two of them work hard at pairing off the many dragons of Preto's weyr. Neither of them takes much time away for themselves, as they both prefer to aggressively keep count of who has caused the most successful pairings for the season. Jack of Hearts in particular is not keen on Matchmaker's methods, mathematically choosing two dragons who seem the most suited for each other based on far too many factors for Jack to care for. He himself loves the satisfaction of choosing two dragons who, to all intents and purposes, would not work well together, and watching them potentially form a strong bond despite the 'statistics'.

Jack is too stubborn to put aside his rivalry for Matchmaker, despite his belief that with their combined experience, they could set up more happy pairings than if they were working separately. He is too set in his ways to try to change anything by this point.