Six is Kin, a deeply rare Fey-Darkness crossover. She is a trained assassin, one of the Darkling Twelve who serve under See Kanon.. Influential in Notte’s life, she taught Name meaning: Night (Italian - he picked that one) Other names: Naktam (sanskrit); Night-child; Nox Eterna; the Blood King. He's probably the oldest living creature among the Mythos. The father of all vampires (or Night Children, as they're called), he's a mystery; no one knows where the heck he came from, or who made him. It says a lot that... self-defense and assassination during his time in the city of One of the most important cities of Notte's youth and the last bastion of safety against the ravages of the First War. It was destroyed by the Guardians when the Balance became the Broken.....
Also, incidentally, Six is based off a wonderful reader: Sixelona.