Harry gets caught as he performed Magic in a muggle area. It is mentioned that the Ministry traces any sign of Magic performed in the Muggle Area.
How come Lupin and Tonks were not caught when they did Magic in the Dursleys place???
In Book 5 harry could see Thestrals because he had seen Cedric die. But remember that at the end of Part 4, it was written Harry turned at the horseless carriages and he had witnessed Cedric's death.
Also, Harry had also seen his mother die right in front of him (remember that Harry mentions "a lot of green light" to Ron in Book 1 and also he remembers the Last words of his Dad and Mom when the Dememtors were near him during the Patronus lessons with Lupin so we can't say that the death has not sunk into him or thatt he didn't remember)
Hermione says that she had practiced a few spells and had got them all right, wasn't she warned for underage magic?
Percy docks 5 points from Gryffindor in the 2nd Book. How come Ron and Hermione metion that Prefects can't dock points in Book 5?
Wand Maker,Ollivander's says that the wand chooses the wizard. So how come Mrs. Malfoy could've bought a wand while he was in Madam Malkin buying his school clothes?
If Kreacher couldn't obey Tonks because she was not in the family tree, why obey Sirius if he is not in the family tree either?
No one apparate inside or out of Hogwarts. then how did Montague apparate out of the vanishing cabinet in book 6?
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