The author of a martial arts novel written like a translation of classical Chinese

I don’t know if you are talking about "The Wordless Book" author closeads

Introduction to the novel: Over the past ten thousand years, the talent in the world of cultivation has withered, and no cultivator has successfully ascended. Tianxuan Sect, once known as the sect closest to God, has now become a joke in the world of cultivation. Yan Xiaokai, an urban boy, becomes the leader of the Tianxuan Sect by chance, and is able to pass on the undisclosed secret of the Tianxuan Sect, the "Wordless Book of Heaven", which brings unparalleled good luck. Fight gods, collect demons, pick up girls, obtain magic weapons, break the spiritual veins of Huangshan Mountain, open the door to the destruction of the world, block the ninth heavenly catastrophe, and seal the ten thousand-year demon. Wherever your footprints are and where your eyes are, the biggest secret in the five worlds of heaven and earth is revealed. The mystery...

The protagonist in the book is called Yan Xiaokai