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