Blood magic has a similar effect in her world, though precious few practice it.

"No, I don't imagine they would..." Narcissa would probably be happy to answer questions for purely academic reasons, should it come to that. Not publicly, though. A girl does like her secrets... though there are precious few here and now. Ilde might pick up on several heavily warded areas of the house - their significance will not be obvious. "But you could turn that into quite the lucrative sideline, were you mercenary enough."

She sips at her juice.