Daemons in A Discovery of Witches are creative, artistic creatures who walk a tightrope between madness and genius. They are exceptionally talented and often have a love for music. Daemons have an extra chromosome, but their origins are shrouded in mystery. They have "glimmerings of supernatural power," and some have reported precognitive visions and telepathic abilities, though these readings and visions, like daemons themselves, are not always reliable. Daemons cannot enchant objects like witches can. They are magical creatures but not nearly as magical as witches or vampires.

There is no mention of demons in A Discovery of Witches. The term "daemon" is used instead, and it refers to a different type of creature.