Narcissa chuckled, and freely allowed a few visions of a Potions Master ironically crumbling under poison to scuttle through her mind. Lucius always knew just what to say.
"I shall go, then," she proclaimed, nose pointing just a bit upward. "I would not unleash my devices upon a child- even Faustus- but Severus deserves a reminder of who holds the power on these grounds."
After a moment of self-exaltation, Narcissa shifted uncomfortably in her seat. It occurred to her that, even if she brought Snape to his knees, her own son's opinion on the matter would still stand. "Draco..." she said quietly. Her voice trailed off, but not early enough to prevent Lucius from hearing. Drat.