Why Dumbledore didn't keep Tom's diary to study it?
133858
Why Did Dumbledore Let Harry Give the Remains of the Diary Horcrux to Dobby?
29851
Why didn't Dumbledore bewitch the door of Fluffy in Philosophers stone?
61722
Why wasn't Snape sorted into Gryffindor?
142177
Why did Harry not question finding out Snape was a Death Eater?
46749
How did nobody at Hogwarts (especially Dumbledore) figure out what killed Myrtle?
109518
Why didn't Umbridge succeed in Slytherin?
75714
Why didn't Harry call Kreacher to help when in the trio was captured in Malfoy Mannor
38197
Why did Malfoy rip a page from a book in CoS?
57806
Why did people remain at Hogwarts after Dumbledore's death?
76479
Why did Voldemort never seek the Hallows?
136543
Why didn't Dumbledore prevent the prosecution of Sirius Black?
139706
Why didn't Voldemort create a Horcrux with a Gryffindor heirloom?
104748
Why didn't Snape keep or secure his copy of Advanced Potion-Making?
130273
Since Voldemort knew that Dumbledore did not kill Grindelwald, why did he think that killing Snape was necessary for him to wield the Elder Wand?
35402
What's the "official" explanation for Harry's (and everyone else's) absence from muggle school?
134488
Why Don't the Death Eaters Kill Harry Physically
115922
Why didn't Voldemort have the prophecy broken to listen to it?