Fire Phoenix Ye Cunxin revised which episode of the training subject?

Fire Phoenix Ye Cunxin changed the training subject to an episode of " Battle Through the Heavens." In that episode, the Fire Phoenix Ye Cunxin revised the training program, which was a very famous plot in " Battle Through the Heavens." In this plot, Ye Cunxin and Xiao Yan experienced a series of challenges together. In the end, Ye Cunxin changed his training program and became a powerful martial artist. This plot caused widespread discussion and attention in the novel.