C191 Missing yin children

Jiang Chu pondered for a moment, and said uncertainly: I don't know exactly what they want to do with these children. But I know the use of these eight words. First, a person with a full yin constitution was prone to provoking evil spirits. If many of these people gathered together, they would gather a large amount of Yin Qi, which was beneficial to the cultivation of the evil arts. Secondly