Narcissa’s cold eyes bore deeper into her, as she tapped her wand menacingly like it was a truncheon. "I can’t believe someone who was purported to be intelligent can be so thick". She struck the desk with her wand for dramatic effect. "If your mouth is unoccupied, I expect a "Yes, Mistress’ or "Yes, Master, just because you are a filthy muggle, doesn’t mean I’ll abide impoliteness".