You haven't played the game, right? I think I remember you saying that earlier... Anyway, the action is actually quite good and is on par with some of the better TPS games around. It's far better than the original game, which lacked a bit in that regard.
But it's not the best, nor could it be, really. Even the battles are above average when compared to a typical action/TPS game, which is amazing considering the other RPG elements the game blends into it.
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