Qin Shi Mingyue TV series version Nie Wei. Different paths lead to the same destination.
After Gai Nie and Wei Zhuang "got along day and night and worked together on great things" for a period of time, Bai Feng died, and Chi Lian followed Xiang Yu and left Wei Zhuang. Whether it was for Wang Tu's hegemony or to prove himself, Wei Zhuang had lost his goal, and repeated blows brought him to the verge of collapse. Gai Nie was worried and would never leave Wei Zhuang, the only remaining old friend. The article continues here, and then naturally I use the framework of the plot to make up my own story.
Conception: