Zhao Menfeng startled for a bit. He suddenly realized that he had forgotten the fact Wang Ke cultivated inner strength. Zhao Menfeng looked melancholy for a moment. Then, he said solemnly, “Wang Ke, you should be able to feel that the concentration of the spiritual energy inside the cave is ten times greater compared to the concentration of the spiritual energy outside. Therefore, this is the best place for you to cultivate the spirit energy. However, I have a request. From now ...