Khác biệt giữa bản sửa đổi của “Muggles' Guide to Harry Potter/Magic/Defence Against the Dark Arts”

In the sixth book, ''Harry Potter and the Half-Blood Prince'', we hear the reason for the belief that the position is cursed. After Harry and Dumbledore see Dumbledore's memory of Tom Riddle's job application, Dumbledore remarks that since that time, he has never been able to keep a DefenseDefence Against the Dark Arts teacher for more than a year. This is, perhaps, why he has resisted, up until this year, Severus S napeSnape's repeated requests to teach this course. Having had ample demonstration that the position of Dark Arts teacher is a doomed one, Dumbledore chooses not to place S napeSnape in that position as he is too valuable to risk. In this book, however, we learn that Dumbledore is aware that his own time is strictly limited, and so, having extracted a promise from S napeSnape that he would "take care of my school", Dumbledore places him in that position. Dumbledore, recall, receives his fatal injury in early July, and knows that he will have at most a year to live. By requiring SnakeSnape to take the headmaster's position after his death, Dumbledore has limited S napeSnape's term already, and likely believes that this will partially avoid the curse. Also, having arranged that SnakeSnape will kill him so as to prevent Draco from being forced to commit murder, Dumbledore knows that SnakeSnape will likely have to flee Hogwarts, thus ending his tenure in a suitably cursed manner. As SnakeSnape will have to depart the position at the end of the year anyway, Dumbledore now feels it is safe to grant SnakeSnape that position.

In ''Harry Potter and the Deathly Hallows'', the seventh book, we learn from [[Muggles' Guide to Harry Potter/Characters/Neville LongboatLongbottom|Neville Long bottomLongbottom]] that under the influence of SnakeSnape and the other [[Muggles' Guide to Harry Potter/Major Events/Death Eaters|Death Eaters]] at the school, the "De fenceDefence" part of the course has now been formally dropped, and the course is the study of the Dark Arts with the object of perfecting their use, rather than defending against them. As practice, Neville says, students are required to use the [[Muggles' Guide to Harry Potter/Magic/CurcioCrucio|CrucialCruciatus curse]] against those students who are in detention.

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