Which novel had a useless main character who later amazed the world?

The protagonist's family was a martial arts family. His grandfather was the patriarch, and his father was a genius. Later, his father was framed and killed in the war between humans and demon beasts. The protagonist's talent was suddenly lost. Then, something seemed to have happened. He advanced by leaps and bounds and became very powerful. He eliminated the spies in his family and avenged his father. A very powerful elder in his family also unified the territory. He also became an expert and traveled the mountains and rivers. It seemed that he was going to join a big sect. The protagonist seemed to have been raised by her mother's maid. She was like a parent to the protagonist. The protagonist broke through to a new height by himself. When he broke through, a guy from a big sect helped him and gave him a chance to go over and take a look. I happened to see the protagonist returning to his mother's house. Before the protagonist took revenge, he cultivated in a hidden mountainside. He had the chance to climb to the top of the mountain and obtained some treasures. Later, the owner of the treasures... A very powerful fatty went to his house, but because he cherished talent, he did not kill the protagonist.