Quote Originally Posted by Duelle View Post
Upheaval is not that powerful (at lv65, Fel Cleave's hitting for about 6-7K, while Upheaval is hitting in the 2-3K territory).
Upheaval is fine. The more max hp you have the more damage it does so tank stance and thrill buff it, play around with that and you will see some nice numbers.
All in all I would say that this is the one skill that does not need to be changed.