I'm Just a Cultivator

Our protagonist… He is extremely rich, but he is always working. He is very knowledgeable but pretends to be an idiot. He is handsome but dressed casually. He was both civil and military, but unknown. He killed all those who deceived him, But in the end, he pretends to be a grandson. He just wanted to express that I was just a cultivator. Look at Yun Di Xuan, how to look at the world with a smile.