Summon 100,000 Ghosts at the Beginning to Create the Underworld

Li Chengyin traveled through a fantasy world, accidentally activated the "Supreme Mansion System", and became the new Emperor of Fengdu! At the beginning, one hundred thousand ghosts are summoned to create an alien version of the underworld. Created the underworld, established reincarnation, ordained priesthood... … "I am the most powerful emperor, with a lifespan of tens of millions of years and a century of suppression!" "I'm sorry, in the book of life and death, you are already dead!" "I am the peerless Immortal Emperor, who rules the entire thirty-three days, is invincible in the heavens, and has arbitrary power for eternity!" "Haha~ The King of Hell asked you to die at the third watch, but who will keep you until the fifth watch?" … Countless years later Li Chengyin stood on the top of the heavens, overlooking the world, and shouted loudly: "I am the Lord of the underworld: Emperor Fengdu, all living beings can worship me!" … PS: This book is invincible in writing, decisive in killing, and not the Holy Mother!