What is lord of mysteries?

Lord of Mysteries is a Chinese web novel (or a light novel) that was written by Atlas Studio. It is a fantasy novel that revolves around the story of Klein Moretti, a man who suddenly finds himself transported to a different world full of magic and mysteries. He becomes a member of an organization called the Tarot Club, which is a secret society that deals with supernatural phenomena in the city of Backlund. Klein discovers that the world he has found himself in is not as simple as it seems, and there are conspiracies and secrets lurking at every corner. The novel combines elements of fantasy, mystery, and horror, and is highly acclaimed for its intricate world-building and well-developed characters. It was first published online in 2018, and has since gained a large fan following. The novel has been adapted into a comic and an animated series, and has been translated into several languages.