A cruel magistrate who once served in the Court of Judicial Review and was known for inventing over a hundred methods of torture. He was a subordinate of Crown Prince Zhangde, who protected and guided him. After Crown Prince Zhangde's death, Sun Junchen and his wife were believed to have perished in a fire, but it was reported they faked their deaths and escaped with a young child who may be Crown Prince Zhangde's surviving heir.
