It turned out that what was recorded in this jade slip was a method of tempering spiritual consciousness—Qianshen Yin!
Spiritual consciousness is a unique divine power possessed by middle-level Qi Refiners, and basically, every Qi Refiner can use it. However, as a fundamental skill, it is like the acupoint technique in martial arts, each with its own application techniques. In layman's terms, it's like "cats have their own paths, and mice have their own ways." Zhang Xiaohua's little sword came from this domain, showing that the unknown cultivator from ten thousand years ago had extremely high requirements for the control of spiritual consciousness over objects, and the cultivation of spiritual consciousness must have its own uniqueness.