C1244 Shennongjia Covered in Dao Patterns
The reason why Chu Xuan did not personally destroy those sects was because he realized that he could not get infected by too much karma. This would be detrimental to his cultivation and he had tricked these people.
Karma was too great, which was detrimental to cultivation. Furthermore, just now, when Dao Fang was using Karma, he had been able to gain a glimpse of a profound mystery