He gave her hair a soft caress, then a nudge for her to stop as he was spent.  Standing up once more and heading for the desk, he called forth a magic wand which flew to his grasp and was then offered to Katrina.  "This can bring forth great pleasure...or great pain.  Katrina, keep fast in your mind what you want when you touch her with it, and be very careful where you touch her.  Not too much, mind, or her heart could stop, and call me if that should happen.  Go now, and take her to the dungeon."