He slid a considerable way down what felt like a stone slide, then landed on cold, damp earth. He stood up, looking around. It was pitch dark. He held up his wand, muttered, ¡°Lumos!¡± and saw that he was in a very narrow, low, earthy passageway. He raised the map, tapped it with the tip of his wand, and muttered, ¡°Mischief managed!¡± The map went blank at once. He folded it carefully, tucked it inside his robes, then, heart beating fast, both excited and apprehensive, he set off.
Harry remembered what Mr. Weasley had told Mrs. Wealsey. ¡®The guards say he's been talking in his sleep¡ always the same words¡ ¡®He's at Hogwarts.'¡¯
He turned, intending to head back toward the middle of the field, but at that moment, another flash of lightning illuminated the stands, and Harry saw something that distracted him completely, the silhouette of an enormous shaggy black dog, clearly imprinted against the sky, motionless in the topmost, empty row of seats.