Chi Yun Palace, an official organization of Xuanlong.
Unlike the Imperial Sect of Wuzhou and the Xuanyin Department, monks in the Chi Yun Palace neither participate in intelligence work nor manage the internal power structures of the Xuanlong, such as cultivation schools and families. They are pure enforcers.
In reality, the role of Chi Yun Palace is similar to that of Qiyan's Xiantian Mansion. Considering the chronological order of the establishment of these two institutions, Xiantian Mansion seems to be a follower.
The 'Chi Yun' name is easy to understand. Literally, it means a gathering of villains and scoundrels.
As one of the major northern countries, Xuanlong, a divine dynasty lasting a thousand years, blatantly nurtures a group of miscreants. It seems utterly absurd and makes them lose face drastically.
In contrast, Qiyan operates in secrecy.