C671 Refine the Body Without Injury

In order to help Ye Ying increase his cultivation, the Upper Immortal Wu Jing used a body tempering technique.

The body tempering technique was precisely what Ye Ying was doing at that time, when he was being burned by the endless flames in the furnace.

Upper Immortal Wu Jing and Upper Immortal Tian Yin had completely treated Ye Ying as a medicinal pellet.

Every three days