Ning Cheng's words were indeed correct. If he grabbed the woman in the purple skirt's wrist and tried to unlock the sealed Dantian, his true energy and consciousness would sweep all over the woman in the purple skirt's body. And he put his hand directly on the Dantian. Apart from convenience, he also didn't want to check the whole body of the woman in purple skirt. Of course, for Ning Cheng, convenience and simplicity are the most important thing....