C456 Little Tang's Anger (1)

Geng Yun understood that this process was extremely complicated. Although it was not a true refinement, it was still more troublesome than a true refinement, and one had to have a very good control over the heat as well, otherwise, it would not be possible to do so.

Very quickly putting away the Yin Soul Locking Banner, Geng Yun took a glance at the patient beside him and nodded his head