They were said to be a group of defectors from the Azure Dragon clan of the Demon Realm who were taken in by Tianting many years ago, becoming its running dogs.
According to the movie's plot, the Third Prince of the Dragon Palace had been infatuated with Bai Qiuolian since childhood, proposing to her many times without success.
This person knew the inside story of Qiuyue Pavilion and was also well aware that Bai Qiuolian's family were fish demons.
Chapter 528