Originally Posted by
KaldeaSahaline
Speaking strictly personally - casual to me is not a measure of skill. It is a measure of time.
I.e. a casual player may only play a few hours a week. Whether that's savage, ultimate, dungeons, or Eureka it matters not. A casual player can be incredibly skilled, or dead weight.
A hardcore player plays numerous hours a week. They may spend it AFK at their mansion, or sitting in Eureka, leveling jobs, or raiding. A hardcore player can be incredibly skilled, or dead weight.