User blog comment:OverlordRocks/Is the Overlord the source of all evil from Ninjago?/@comment-33842457-20151214030311

So if the Overlord haven't existed there wouldn't have been a golden master prophecy for the snakes to try and drive the humans underground for. And the theory of the Great Devourer being corrupted by the Overlord would make a lot of sense because Garmadon was purified after the Overlord's defeat.