C249 Don't force me to kill

At this time, Lin Feng slowly opened the oilcloth package and saw that there was only one martial skill inside, the Demon Refining Art.

Refining a demon with the soul, but refining a soul has an extremely high requirement. It requires a strong demon beast's soul, which is also a powerful demon beast's soul at the Spiritual Rotation Stage level, to use a demon beast's soul as the foundation