we must also take into consideration that even though the skills for the non-core classes
will not be added upon, that doesn't mean those existing skills cannot change.
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as new class combinations and skill combinations arrive, it is inevitable that people will find some unforseen "trick" builds that wasn't supposed to be used in its original purpose or context. and as with such, the nerf and buff sticks will be used correspondingly.
sometimes, all it takes is a just a little enegy cost reduction, or a simple recharge decrease to turn a previsouly unused and unappreciated skill into a skill that an entire build can be based upon. and if one thing is sure to continue, skill balancing is one of them; especially with their interactions will the new skills.
and even if it happened during the beta tests, some existing skills could also change dramatically as well. compare the beta and present shadow refuge for instance. same name, completely different skills.
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