C152 nine chains of trapped immortals

To be exact, the gene chain that Yan Yun had activated was just the beginning, and the method he had used to open it was not perfect. This was why every time he had opened it, he would have to go through a dangerous and crazed state.

However, why did Yan Yun be able to open the gene chain? It was all because of the "Cloud Breaking Battle Art", this kind of profound thing