Earthquake, with its knockdown, would be utterly OP if it didn't hit your own party. If you get your party to be immune or highly resistant to knockdown specifically, it's an extremely good ability.
The only problem I have is: Okay, so it's this very good ability if you build around it... and how were you supposed to build around it, if it only became available late in the game? Abilities like Earthquake shouldn't be these high-damage finishers, but instead things which players become aware of when they still have time to do something about it. For example, Self-Immolation and Explode are also build-around-me skills, but you get the chance to become familiar with them much sooner.
Thus the bad part about Earthquake is that it's a build-around-me design for an endgame skill, and those two concepts don't mesh together very well. The former, however, is not the problem; if anything, build-around-me skills are cool.
Last edited by ScrotieMcB; 18/07/14 01:27 PM.