"No ... no! Killing them alone wont be nearly enough!" Hermione cried, shaking her head angrily. "Celesca is special, possibly far beyond anything we yet understand. Even Narcissa agrees ... maybe Riddle himself has an interest in her, that’s why he set Ginny to this task ... to create a link to Cesc for his study, in case Draco loses his connection when we kill him ... because that will take any link Bella has along with it ... which just leaves ..."