The " Lord of the Mysteries Additional Version " might be referring to " The Lord of the Mysteries: I'm Not Cthulhu ". This was an online novel that was published on Qidian Chinese website. The author was Decadent Dragon. The novel mainly told the story of a modern programmer, Zhou Mingrui, who had transmigrated to a different world and used his understanding of the Lord of the Mysteries to uncover the truth of the world step by step. If you don't want to ask about the novel, you can provide more relevant information so that I can answer your question more accurately. Hurry up and click on the link below to return to the super classic " Lord of the Mysteries "!