What is the name of the novel that opened Master's grave five years later?

Nine days first. This is a fantasy novel featuring Chen Feng and Han Yuer. The full text mainly tells: Chen Feng and Master are ridiculed by the sect as useless disciples. The master asked his disciples to keep their graves for five years after his death. After five years, he asked them to dig their graves. So after his master died, he kept the tomb alone for five years. After five years, he broke through again and again. The name of waste in the past was completely abandoned, and he became the brightest star of genius with thunder. Cultivating into a god belongs to the fate. See how he breaks away from convention and looks down on the mainland under heaven.