第五章（90）

Chapter 5: An Excess of Phlegm

Harry returns to Hogwarts and finds that the school's atmosphere is tense. He meets with his friends Ron and Hermione, who express their concerns about Draco Malfoy’s unusual behavior. In this chapter, the new Potions Master, Professor Slughorn, is introduced, and Harry discovers he has great potential in Potions, aided by a peculiar textbook that once belonged to the Half-Blood Prince. Meanwhile, Ron's family is dealing with an unwelcome guest, Fleur Delacour, much to his chagrin. This chapter highlights the developing relationships and growing challenges at Hogwarts.