- Title: 鹤唳华亭 / He Li Hua Ting
- English title: Royal Nirvana
- Genre: Historical, Politics
- Episodes: 60
- Broadcast network: Youku
- Broadcast period: 2020
A story that follows a crown prince who faces enemies from all sides and falls in love with a maidservant who wants to kill him.
||Crown prince of Northern Qi. He yearns for his father's love but is feared and suppressed due to his position.
|Li Yi Tong
||Gu A'bao / Lu Wenxi
||Daughter of a civil officer named Lu Ying. She disguises as a maidservant and sneaks into the palace to seek revenge.
|Huang Zhi Zhong
||Emperor of Northern Qi.
|Liu Wei Wei
||Former Empress of Northern Qi. Xiao Dingquan's mother. Gu Silin's sister.
||Illegitimate prince of Northern Qi. A timid and weak man who is eyeing the throne. He frames Xiao Dingquan of killing Lu Ying.
||Prince Zhao of Northern Qi. An ambition man who wants to usurp the throne.
|Liu De Kai
||Xiao Dingquan's uncle. He wields great military power.
|Wang Jin Song
||Grand tutor. Xiao Dingquan's teacher, who provides him guidance and advice.
|Zhang Zhi Jian
||Xiao Dingtang's underling. A traitor to the country.
|Zheng Ye Cheng
||Gu Silin's son. A general.