Nick considered, then laid it straight out. "Let's call them a species. They're a sort of vampire. All of them are blond, the men and women, and they have fangs like mine. They can't go into the sun at all - I mean at all, one ray of sunshine and they're a pile of ash. They also have a mark right over where their heart. One sword stick through that mark and they vanish into a cloud of gold dust."