The Dark lord sat and watch the 3, studying them. Never in his life had he felt that sort of power. And he knew if the old fool try to hurt any of the sisters, that his deathbed was nearer then he thought. The Dark Lord knew he wasn't going to cross them, not even Nick Potter was worth it, nor the stone while they was here. He then left in the middle of the night, but not before asking the castle to keep the sisters safe, and the castle hums in agreement.  And protecting the castle would do...