Wang Yun later learned that the spiritual power attached to his soul was nether-evil spiritual power, which was extremely domineering. This nether-evil spiritual power obeyed only the will; as long as the will did not disperse, the power would not easily dissipate, though increasing it was exceptionally difficult.
Flying to the bottom of the island, Wang Yun indeed felt a surge of intense yin energy. He chose a cave entrance, sat cross-legged, and used the Heaven-Swallowing Spirit-Absorbing Technique to draw in the yin energy. Inside Wang Yun's body, Xiao Zhi slowly re-condensed.
"This Cultivation Formula also has quite a few weaknesses," Wang Yun thought to himself.
Chapter 252