Harry sat down too. He explained what he'd seen; how, as the nearest Dementor had lowered its mouth to Harry's, a large silver something had come galloping across the lake and forced the Dementors to retreat.
¡°Right,¡± said Lupin, suddenly businesslike. ¡°Ron, I can't mend bones nearly as well as Madam Pomfrey, so I think it's best if we just strap your leg up until we can get you to the hospital wing.¡±
¡°Hermione, what ¡ª?¡±
¡°¡ I was asleep, and I heard this ripping noise, and I thought it was in my dream, you know? But then there was this draft¡I woke up and one side of the hangings on my bed had been pulled down¡I rolled over¡and I saw him standing over me¡like a skeleton, with loads of filthy hair¡holding this great long knife, must've been twelve inches¡and he looked at me, and I looked at him, and then I yelled, and he scampered.