User blog comment:Timeoin/Dragonborn Screenshots/@comment-86.31.235.195-20121116175715/@comment-4043978-20121118232644

That would be like asking 'why cancer?' It's the same premise that exists for Corprus. I mean, Corprus never went away. Didn't matter if Dagoth Ur was detroyed, others would probably have attempted to further his failed plot. Then, Red Mountain erupted. Oops. Just made the disease iside even angrier.