It is better to go against the will than to go against the will. True detachment does not lie in cutting off the seven emotions and six desires, but in being able to still protect one's true heart after experiencing the world of mortals.
Yun Chen, a mortal who was judged to be "born with no pulse" and unable to practice. He doesn't have any incredible talent, but he possesses wisdom, tenacity, and a profound insight into the world. The power system in this world does not only have "spiritual roots". There is a forgotten "path of the mind" - to improve one's realm through understanding one's mind and nature, understanding cause and effect, and going through tribulations in the world of mortals. Its power is even greater than the traditional system of cultivating immortals.