Dongchang - a secret service agency specially established during the Yongle period of the Ming Dynasty to investigate secret messages from all parties. It was also the first era in which eunuchs were in charge of confidential information. Whether in name or in reality, this was the first era in Chinese history when eunuchs were in power. Dongchang was built in the early 18th year of Yongle. At this time, all political power in Dongchang was still controlled by the emperor himself. A turbulent era, the beginning of the erosion of political power, a zone where darkness and evil coexist, and there is also a legendary story circulating...