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.
Uldaman: Legacy of Tyr
Neltharion's Lair
The Underrot
Freehold
The Vortex Pinnacle
Neltharus
Halls of Infusion
Brackenhide Hollow