The Kadonul are a species of forgotten memories. Once a memory is forgotten for good, it finds its way to the Void with many others like itself. Of these, a handful gain a corporeal form and take it upon themselves to guide other memories and dreams to prevent them from being forgotten like themselves.

Kadonuls reside within the Void. No one knows how, when, or where the Void came into being, but some speculate that it is actually the domain of a higher power. The Void also houses the Huskling species - the official pets of the Kadonuls, and guardians of the Void. The only way to enter the Void is through a portal created by a Kadonul or Huskling.