“Mother would never allow a weapon as powerful as a goddess-touched necromancer, whose fledgling magic might prove capable of binding her progeny to her, to fall into the Master’s hands.” Muscle fluttered along his jaw. “She would execute Grier before allowing vampires control of her.”
It’s going to turn out her father is a vampire who therefore has a claim on her. It’s got to be who the unknown Master is given the bedroom, toys, and people that knew her at the kidnap house.