Dahlia rushed into the room and shut the door behind her. "I don't think so."
She picked up a small scroll and began reciting an incantation. It would make Jack dizzy immediately, and should result in unconsciousness within a minute or two.
That would give her time to tie him up and begin the required actions. A part of her felt almost sorry for him, but he was a necessary sacrifice, and Dahlia had never held back from doing what was necessary.