LOTM | Lorde dos Mistérios | Senhor dos Mistérios | 诡秘之主 | 诡秘之主（试读版） | Володар Таємниць | Quỷ Bí Chi Chủ | Lord of the Mysteries | LoTM | Lord of Mysteries | El Señor de los Misterios | Le Seigneur des Mystères | ราชาแห่งลึกลับ | 신비의 제왕 | Mystery no Shu | Lord of the Mysteries (Official Colored) | LOM | Circle of Inevitability | COI | The Fool

Lord of Mysteries (Chinese: 诡秘之主; pinyin: Guǐ Mì Zhī Zhǔ) is a Chinese web novel written by Yuan Ye/Cuttlefish That Loves Diving. Serialized on Qidian from 2018 to 2020, the story blends steampunk, Lovecraftian horror, and Xuanhuan elements in a Victorian era-inspired world.

With the rising tide of steam power and machinery, who can come close to being a Beyonder? Shrouded in the fog of history and darkness, who or what is the lurking evil that murmurs into our ears?

Waking up to be faced with a string of mysteries, Zhou Mingrui finds himself reincarnated as Klein Moretti in an alternate Victorian era world where he sees a world filled with machinery, cannons, dreadnoughts, airships, different machines, as well as Potions, Divination, Hexes, Tarot Cards, Sealed Artifacts…