She smiles gently for Victoire- she's not actually cruel enough to enjoy his profound embarrassment, though she does enjoy knowing she can affect him so.
"What are these arrays you speak of?" She shakes her head. "Non. There are others with them, but not all who use magic here need them." She gestures across the pub to Teddy who is shifting back and forth with a 2month old in his arms. "That is Teddy. He is a wand-using wizard."