Antonin smiled, "She has the portkey, and she is perfectly safe here at the club, even if she goes to a private room. Then, there is the fact that I put a certification mark on her when I bonded those parchments. At this range, I can tell almost exactly where she is."
He reached into his pocket and pulled out a small piece of scrimshawed ivory. "You remember those portkeys we have that are keyed to each other? This one will take us to where she might happen to be, while hers just takes her to the hotel lobby."