Sealed for a Thousand Years, Even My Weakest Underling Became a Demon King

After transmigrating into the game he had painstakingly beaten, Zhou Mu discovered that, for some reason, the whole world had gone completely crazy.

Why had the continent been unified in his name?

What was this religion claiming to represent him?

Why were members of the royal family all claiming to be descended from him? What the heck? He was pretty sure the game didn't have that feature!

"What on earth have you all been doing during the thousand years I was gone?"