Shi Potian Travels Through Duan Yu's Duan Huzi

What changes will Shi Potian, who has learned the Taixuan Sutra, travel to and become Duan Yu in the world of Tianlong Gaowu? Act 1, Duan Zhengchun: "You are not Yu'er, then who can you be?" Shi Potian: "I'm a bastard." Duan Zhengchun:??? Dao Baifeng panicked:... Act 2, Murong Fu: "Why don't you take action?" Shi Potian: "I'm afraid I'll accidentally beat you to death. Let's do this. I'll tie up my right hand so I won't beat you to death." Murong Fu:??? Act three, Jiumozhi: "Boy, I only used three percent of my power in this palm. How many percent did you use?" Shi Potian: "Old uncle, let's consider it 20%. Jiumozhi:???