[ He doesn’t know whose skin binds this book. It was penned after Dracula’s exodus from Europe, so probably not a Belmont. ]

It’s a spell your father developed. It‘s- technically a form of turning. Instead of the victim becoming a vampire, they become an extension of the caster. In order to control an unwilling target, it requires unique properties of vampire blood. But for a willing one- a human probably wouldn’t be able to do it.

But a fairy might.