C270 Strike iron while it is hot
Ling Feiyu taught Koizumi Zhener that the mental cultivation method that he learned was of great Yin potential. A poisonous Cultivation Methods. The insidious nature of his body also affected him. Although his cultivation speed was very fast, he would never enter the ranks of body cultivators through the path of martial arts.
Also, Ling Feiyu immediately used the mental cultivation method