"I just want you to be yourself; I don't want people to take advantage of or control you! I want the Draco I knew."
Those were the last words she had spoken to him. She died later that day. She hadn't perished at the hands of Potter, nor Granger or Weasley. Voldemort would never think of killing her, but not for the fact that she was his daughter, no. For another reason. The one for which she had to be killed.
When the sword had pierced her heart, she had given him a smile that seemed to say "You've freed me from my prison," while her eyes said "I wish I didn't have to leave you here."
He had done the one thing that he never thought he would have to do.
He had killed the girl that was there for him whenever he needed her. Rose had died by his hand.