Despite the fear, Harry felt curiosity kindle in his mind, and determinedly he ran toward the black door. He could see the slice of light that shone through, which meant it was not locked. He ran until his breath ran out before he realised that the door was no nearer than when he had started. The fear mounted and Harry spun to watch behind him. He was sure he had heard panting, and yet he could see nothing but darkness. He wondered if his ears were tricking him.