How Did I Become Paranormal?!

After an unexpected incident, the world of Lu Jin’an and the others seems to have changed, and yet somehow it hasn’t. Hey, why is that headless thing still walking over there?! And you over there, how can you fly? Did you evolve without me or something? What? You’re supernatural entities? Our world has turned into a world of the supernatural, and contestants from another world will come here to clear dungeons! And I’m the Ghost King! Oh, in that case, never mind. I’ve got three divine artifacts, too! Including the Banner of the Human Emperor! Heh heh heh heh heh! Then, you lowly mortals, come into my Banner of the Human Emperor and help me cultivate. Though, why does the banner’s color look a little off?