C1880 Away

Du Chen gave Cheng Fei a few pills, and among them was one that could allow him to live or die with his Immortal Emperor Level.

As for the old man, there was nothing much to give, so he simply left the yin and yang in the bottom of Cheng Fei's heart.

When Cheng Fei had free time, he would be able to take it out and deepen his comprehension of the yin and yang. At the same time