Draco felt when the pain hit, and it made him stiffen against her and clench his teeth but he was still able to keep his hold on her. The physical pain was there, somewhat subdued thanks to his abilities, but the internal suffering it caused was just as it should be. It burned at his nerves, making him twitch spasmodically—but it was still bearable, as to Draco, the thought of her leaving him was more painful.