Mixed martial arts: I am the best in the world

In the novel 'Mixed martial arts: I am the best in the world', the protagonist, after traveling back in time to the era of Emperor Zhu Houzhao, finds himself surrounded by a eunuch named Cao Zhengchun and an uncle named Iron-hearted Lord Zhu Wushi. Feeling like a puppet, the protagonist stumbles upon a book titled 'Four Great Spy Records' and gains powerful skills through reading about various characters. As the protagonist delves deeper into these manuscripts, they eventually rise to become the best in the world.