You're better off not wasting any of your time with Wildberry. Trust me. Just pretend he's not there and you'll thank yourself later.
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The faction war has existed as long as there has been Warcraft. Was that a serious question? People seem to be conveniently forgetting that the horde and alliance aren't the ones taking down the Legion. It's the class order halls and the army of light that are banding together to take the fight to the Legion. Somehow though all these geniuses that are ripping on red vs blue somehow haven't quite clued themselves in on that slightly important fact.