One of the most forceful and effective techniques used for interrogation. It is the sixth secret technique from the Book of Sacred Spirit's third chapter. It works by pulling out a person’s soul. With it out, the soul won’t have a consciousness so it will always answer questions truthfully.
When Shen Ming is brought out at the meeting of Glory City's experts, Nie Li suggests using this method to insure that Shen Ming is speaking the truth about the Sacred Family's activities with the Dark Guild. Besides Nie Li, Ye Shuo states that he is able to use the technique.