Can we just take a moment to appreciate how long Narcissa holds her gaze as she lies to Voldemort? It’s probably the most terrifyingly pivotal moment of her life and yet she maintains her calm demeanour throughout. All she wants is for her son to be safe and so, in that moment, she can look Voldemort square in the eye and lie to him. Lie to one of the most accomplished Legilimens in the wizarding world. He may not have used Legilimency on Narcissa, but she had to be prepared for the possibility he would. She had to be a skilled Occlumens. She had to be fearless.