"That's true," she pouted, "but brute force can be so much fun." She cocked her head him and smiled brightly. "But there are lots of spells and curses that can be just as effective. Subtle little things like freezing the blood in someone's fingers. Or turning their bile to purest acid. It is the little things that bring the greatest joys. They let you stretch things out in a way the even Cruciatus doesn't let you."
But no. They were moving off topic. "Would you be my tool, young man? Would you be willing to serve me and through me my Dark Lord? Do you want to better our world? To further my Lord's Glorious Cause? To bring Purity and Power back to life?"