I am the son of Fengdu, building the underworld in Douluo

Good news: I am the highest authority in the underworld, the son of King Fengdu.
Bad news: The Emperor of Fengdu is going to the Fantasy Floor Tile, Douluo Continent to build a new underworld, and let the flags of the underworld be planted everywhere in the heavens and myriad worlds.
Emperor Fengdu: When I learned that there was a place that was not under the supervision of the underworld and not judged by the heaven, I could no longer sit still.
How dare someone dare to compete with their underworld for business? As the tyrannical and unrivaled King of Fengdu, he would certainly not tolerate such a place where one could obtain immortality without being supervised by heaven and underworld. However, due to his identity and the rules set by heaven, he had no choice but to set his sights on his own children.
Just like that, a real second-generation official from the underworld, brought his father's magic weapon, the Yellow Springs Ghost Map, to the Douluo Universe to judge the gods and reshape the rules.