PoA: Chapters 11&12

Harry is in a murderous rage, but Hagrid being sad about Buckbeak snaps him out of it. Professor Trelawney is still really weird. Harry got a sweet broom but then Hermione got it confiscated. Harry and Ron are AHoles about it but then they get the firebolt back so they decide to be nice. Harry tries to learn a patronus but doesn't really have any happy memories. Finally, Scabbers go missing and Ron loses his mind.