how many incarnations of the master have there been and the confirmed only faces
95546
How many regenerations has the Master used so far?
40098
How many faces of a solid can one "see"?
135755
Many-worlds: how often is the split how many are the universes? (And how do you model this mathematically.)
102106
If "No One" uses a face from the Hall of Faces to become someone then how did he do this
47777
How many White Walkers are there?
104239
Are there any more Asgardians?
78192
Necromancer badge given based on merged duplicate instead of master question
6567
Did all Headmasters get a portrait in Hogwarts?
60189
Is there more than one Basilisk?
132201
Can you cast Mirror Image twice on successive turns and have 6 duplicates of yourself instead of 3?
104571
Are all the slaves paired with the same master?
57136
How many admirals are in Starfleet?
122839
how many different equivalence relations
98509
All Faces to Individual Objects
34493
Concrete Mathematics - The Josephus Problem
89723
Is there an iconic monster or creature for each alignment?
38623
How many Marvel Earths (Universes) are there?