The Forsaken Blight affects both living and undead. That was why Forsaken were unable to inhabit Southshore.
Yeah, I'm still of the idea they just wanted to pretty the Draenei up for the alliance because they didn't want to give them two elf races. Night elves should have been on Thrall's shamanistic horde to begin with. SMH
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Yeah so instead just park it in orbit even though it could vaporize Sylvanas from miles away.
all the main cities are like that due to the limitations of the technology when they were made and laziness on blizzards part. I understand they dont want to use the resources to make something as impressive as Suramar City for something most people only use for auction house purposed but that doesnt mean they shouldnt.