Head of the distinguished Nosferatu clan, who kept refusing the intervention of the Knights of the Round Table who was endowed with overwhelming authority in the Black World. The seven beautiful sisters—from the first princess, Asia to the seventh princess, Brutia—are said to living harmoniously at the Tombcastle in a remote area, but no one who went to confirm it has returned.
Their true form is what one would call a vampire. In contrast with Diabolus that were sucking the lifespan, they achieved perpetual youth and immortality by sucking the lifeblood of living things.
By the way, they are also currently being served by the Three Stygian Maids, who have devoted themselves to a multitude of masters.
