That's not what separates them, dude...
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Or, it could be talking about Turalyon? There's a lot of shit pointing more towards that, really...
Then again, it could be talking about how Anduin's going to bring about Zovaal's rise to reality, and to the Sepulcher. Azshara calls Zovaal the "Darkness" Sylvanas seeks to unleash, and Zovaal is controlling Anduin rn. Doesn't mean Stormwind's gonna fucking burn lol.
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Hard to do that when Anduin's being used as a damn puppet against his will. Not at all his choice to do shit. At most, he'll be saved AT the Sepulcher, and no where beyond that point. IF he does do shit on Azeroth tho, then Turalyon may have a problem with it, especially with Lothraxion as his council commander pal.