C982 Zhu Qingyan

There were usually two ways to refine a Gu.

The first method, which many low level Gu cultivators use, is to refine the soul of the Gu worm and refine it into their own body without any self-awareness.

With that, before that Gu worm reaches the end point of advancement, the person that refines it will have all of the Gu's power. Its strength is extremely strong