Chapter 513: Refining Oneself

e of Baiyun Mountain occurred.The corpse burst from the wind formation and, instead of facing Qin Sang, suddenly turned around. Its ferocious bloodshot eyes fixed on me, and in the next instant, its f... up a spirit formation from Yi Tian Nie. Besides various spiritual materials, there was one extremely demanding condition: it had to be powered by a high-grade or top-grade spirit stone to activate th...