Yin-Yang Son-Mother Blood-Resent Fetus: Using the pregnant mother and son (widows of comrades), they continuously cultivated them with blood pills, and finally tortured the daughter in front of the mother, causing her to be in extreme negative emotions, and began to miscarry. Then she killed the daughter, turned it into blood mud and poured it into the seven orifices of the mother's body to create a Yin-Yang Son-Mother-Resent Blood Fetus. Nine-Nine Living Sacrifice: Living sacrifices to others to improve qualifications. The first time requires 9 people, the second time 81 people, the third time 729, and the number keeps increasing. During the human sacrifice, runes were carved on the person's body with a knife and tortured until death. Wuzigui: Put five children with different five elements in a wooden house, wear clothes of different colors, stuff the corresponding five elements into their seven orifices, and hang them on the corresponding positions on the beams with hemp ropes. After his death, his soul is collected and trained into a Wuzigui. Wuzigui can attach itself to the body and form tattoos.