Liu Nai patted the bark of the tree, "The wave of magic power is most sensitive to living objects. Unless a person is absolutely adept at controlling magic power, it will always leave some traces. Compared to Dead things like rocks and soil, to plants and even insects, these things have more vitality and will be more sensitive, leaving more fluctuations on the ground." ,Master Liu nodded, smiled and said: "I have indeed heard of it. I thought that Prince Dai Qin should have two pens, but I really didn't think so. I don't know if I should or not." say that the prince is the strongest person in the world or the prince is weak. .