And after a while people will look up builds to minmax their character and no longer care about being "unique" and those that actually forgo the route of having their character minmax'd will suffer and be a weaker version of the same class.
[sarcasm] Yeah, it'll do loads for making people more "unique". [/sarcasm]
Q u o t e: There aren't and probably won't be abilities that cost a portion of a fury ... ball. I'm going to call them fury balls. Wait ... no ... that's a terrible idea.