Everybody is fighting the Death Eaters. The Order of the Phoenix is there fighting; Ginny is fighting; Harry, no longer under Dumbledore's paralysis spell, was there, fighting, along with Professor McGonagall, Remus Lupin and Tonks. Harry kills Greyback and pursues Malfoy and the other Death Eaters, trying repeatedly, unsuccessfully, to curse Snape, who mocks him. Along with Draco Malfoy, he gets away. After losing the chase, Harry helped Hagrid put out the fire burning his cabin and told him about Dumbledore: Hagrid did not believe him.
As they walked up the grounds, they passed many Hogwart's students walking up to the Astronomy Tower, then Hagrid believed him. It was there that Harry realized,.....
