C553
On the surface, Jie Tan was on par with Yukong, but in reality, Jie Tan was a cut above him. Perhaps he didn't feel it was right, and he couldn't tell either. However, as the head of the Saint Buddha Sect, Jing Xin was able to see who was stronger and who was weaker.
Tranquil Heart was a method that allowed one to reach the level of Saint Buddha Sect, but since it originated from Secret Sect