C415 Medicinal Garden of Ancient China
Originally, Nie Zhen only wanted to snatch the Cloudmist Grass and didn't plan on entangling with Duan Peng, the defeated opponent, too much. However, Duan Peng refused to let him go.
In terms of Martial Tao Competition, Nie Zhen still had some concerns towards Jiugong Sect and Sovereign Tai Yi, so back then Martial Tao Competition had left Duan Peng with his life