A kiting player will be powerful until lvl 30 or so. In the end, even with all the kiting, the game balances itself, and it's all about proper battle tactics.
So generally, if you can't do a decent fight in the beginning, don't expect thangs to change even if you become the best kiter. It is as simple as that. In my eyes, kiting is a tool to get a nice army at startup. Besides, if you're going for a good score, kiting only hurts it.
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