Why did nobody ever use the Room Of Requirement to it's full potential?
79978
What are the limits of the Room of Requirement?
155201
Why isn't there a centre of charge?
92496
I want to run vast and realistic dungeons, but my players get frustrated trying to search every room
58404
Does vacuum (empty space) exist?
125279
Why was this sacrifice sufficient?
7125
Why was Dumbledore's portrait not given a more extensive role in the story?
84062
The Time Freezing Room - Theoretically possible?
53252
What was the purpose of the octagonal room in Heaven Sent?
69664
Why did skilled wizards use He-Who-Must-Not-Be-Named?
40448
If tenured staff are virtually unsackable, why is the drive to find funding so strong?
48799
Why is there no call to the constructor?
78445
Why isn't everybody rich?
92178
Why didn't Isildur's Heir come forward sooner?
126487
Why weren't more Rings of Power forged?
8900
How come the portkey at the maze didn't transport "at a prearranged time"?
131794
Why aren't we supposed to use  in a design?
97981
Why can't epsilon depend on delta instead?