Dark Fantasy is a sub-genre of the romance genre. It combines elements of paranormal abilities, shapeshifting, vampires, werebeasts, and fantasy creatures such as dragons. In general, the stories border on sword and sorcery adventure, other/outer world travels as well as the lighter elements of horror.
The hero in dark fantasy works, as a rule, is a brawny and strong-willed Alpha-male. The heroine is self-possessed and competent.
Intricate world building is primary to dark fantasy tales and the story may or may not have an H.E.A. (Happy Ever After) ending.