What irritated me was the long cooldowns on powers, combined with magical thieves everywhere who attacked out of invisibility then went back invisible, repeat.
Fights devolved into protracted attrition rolls of the dice, where you tried to position non-casters to eat these every-round hyper backstabs until your casters' blasts recycled. Tank could eat two, everyone else a 1-hit 1-round speed bump sacrifice. If they backstabbed a caster, sigh, reload. If one of your blasts didn't hit, or for enough, sigh, reload.
There was no game, just a stupid strategy to repeat until the rolls went your way.