If you attack my son again, I shall ensure that it is the last thing you ever do.Mother & SonNarcissa Malfoy in Harry Potter and the Half-Blood Prince
"Is Draco alive? Is he in the castle?"
The whisper was barely audible; her lips were an inch from his ear, her head bent so low that her long hair shielded his face from the onlookers.
"Yes," he breathed back.
He felt the hand on his chest contract; her nails pierced him. The it was withdrawn. She had sat up.
"He is dead!" Narcissa Malfoy called to the watchers.
I expect Potter will be reunited with dear Sirius before I am reunited with Lucius.Narcissa Malfoy in Harry Potter and the Half-Blood Prince
"Let go, Bella!" snarled Narcissa, and she drew a wand from beneath her cloak, holding it threateningly in the other's face. Bella merely laughed. "Cissy, your own sister? You wouldn't--"
"There is nothing I wouldn't do anymore!"
"Don't you dare - don't you dare blame my husband!" said Narcissa, in a low and deadly voice, looking up at her sister.Narcissa Malfoy in Harry Potter and the Half-Blood Prince
I see that being Dumbledore's favourite has given you a false sense of security, Harry Potter. But Dumbledore won't always be there to protect you.Narcissa Malfoy in Harry Potter and the Half-Blood Prince
Bellatrix: "Cissy - Narcissa - listen to me."
Narcissa: "Go back, Bella!"
Bellatrix: "You must listen to me!"
Narcissa: "I've listened already. I've made my decision. Leave me alone!"
Now that I know the kind of scum that shops here... we'll do better at Twilfitt and Tatting's.Narcissa Malfoy in Harry Potter and the Half-Blood Prince
That's because he is sixteen and has no idea what lies in store! Why, Severus? Why my son? It is too dangerous! This is vengeance for Lucius's mistake, I know it!Narcissa Malfoy in Harry Potter and the Half-Blood Prince
"We had bette be certain, Lucius," Narcissa called to her husband in her cold, clear voice. "Completely sure that it is Potter, before we summon the Dark Lord."Narcissa Malfoy in Harry Potter and the Deathly Hallows
And, should it prove necessary... if it seems Draco will fail... will you carry out the deed that the Dark Lord has ordered Draco to perform?Narcissa Malfoy in Harry Potter and the Half-Blood Prince