Ninth Prince's cries for pain could be heard outside Xizheng Hall.After a while, the screams stopped. Chen Tong, the deputy commander of the Jinyiwei executioners, entered the room and whispered, "The... treasured thing in Miaojiang. It has only one characteristic: it is colorless, odorless, and invisible. Its greatest achievement was poisoning a peerless master of the Land Immortal realm to death. E...