Harry returned to the Dormitory and went to the Washroom for a shower first.
Qiu's Scourgify had actually left his entire body spotless, but he still felt uncomfortable. So he turned on the hot water and kept scrubbing, only stopping when he had almost rubbed off a layer of skin and his skin had turned red.
That made him feel a little better, but an overwhelming weariness followed.
Harry had excellent stamina. Previously, even one or two hours of Quidditch practice had only left him tired enough to want to swear. Yet the fight just now, though it took a while to describe, had actually lasted only a few minutes.
And yet it had left Harry feeling exhausted in both body and mind.
Of course, this exhaustion had not actually come from the fight itself, but from the mental strain of having killed someone.
Dazed, Harry returned to his bed, collapsed onto it, and fell into a deep sleep.
Harry had no idea that his earlier performance had caused quite a stir.
First, there was that Dark Wizard organization from Northern Europe.
Harry had burned the werewolf wizard Biazis to death with Fiendfyre, which had terrified Korman, who had been there at the time. Disregarding the danger, he had forced himself to use Apparition to escape. Fortunately, he used this magic often enough that, even though he had forced the teleportation, nothing had gone wrong.
After appearing precisely on the outskirts of London, Korman let out a breath of relief, but only one. Once he had confirmed that none of his parts were missing, he immediately used Apparition again. This time, he carefully fixed his destination before vanishing from the spot once more.
He was worried that Harry would follow him through Side-Along Apparition.
In fact, however, Harry did not