Through sheer force of will once more that night, she was able to wrap her hand around the end of her wand. Rodolphus was too consumed in his own anger and desire to smash everything he could reach to pay attention to the witch on the sofa. Besides, he likely thought she was too drugged to even be aware what was happening. With his back turned on his houseguest, he didn't see the stunner that she was able to produce. He fell to the floor on his face in a heap.