Class Frequency By Run:Each character will be counted for every run they are in.
Unique Class Population:Each character will be counted only once, despite how many runs they are in.
Eye of Azshara
Return to Karazhan: Lower
Court of Stars
Cathedral of Eternal Night
Return to Karazhan: Upper
The Arcway
Halls of Valor
Maw of Souls
Vault of the Wardens
Black Rook Hold
Darkheart Thicket