The Dynasty of Northern Qi, I think everyone is more familiar with it, it is a relatively famous dynasty during the Southern and Northern Dynasties, and it is called "The Beast Dynasty" in Chinese history.
This is mainly because Northern Qi produced several beast emperors, and among these beast emperors, there was an emperor who was called the "Crazy Emperor", and he was the founding emperor of Northern Qi- Gao Yang. His degree of brutality is unique in the long history of ancient China, and it is not an exaggeration to say that there was no ancient person before him, and there was no one who came after him. The Sui Emperor Yang Guang, The Heavenly Balance Heavenly Kingdom Hong Xiuquan or Qin Shi Huang, etc., their brutality was not worth mentioning in front of Gao Yang

Speaking of Gao Yang, many historians in later generations have said that this emperor actually has personality schizophrenia, because he was a very accomplished emperor at the beginning of his succession, and in the first five years, he could definitely be compared with any excellent emperor in history; but in the next five years, Gao Yang became more and more violent and unreasonable, and some of the things he did were frightening and terrifying. A model of the devil in the second half of his life.
Gao Yang had a special favorite concubine named Xue Gui concubine, who was previously a friend of Gao Yue, the king of Qinghe, and was later taken in by Gao Yang and forcibly welcomed into the palace. Xue Meiren not only fell in love with the country and the world, but also was good at the art of seduction, and Gao Yang was extremely infatuated with her. Moreover, Xue Meiren has an older sister, whose appearance is also extremely charming, and is forcibly occupied by Gao Yang;
The two sisters did their best to please Gao Yang, and Gao Yang also loved this pair of sisters extremely much, sometimes not leaving the bed for several days. The Xue sisters thought they had won Gao Yang's favor. Therefore, after a happy time, he proposed to Gao Yang to make their father Situ. Gao Yang was furious and said, "Situ is an important official position in the DPRK, which one is what you can ask for if you want?"
Later, he thought that Xue Meiren had once been the wife of Gao Yue, the king of Qinghe, thinking about the scene of their adultery, under the influence of alcohol, Gao Yang was angry from the heart, in front of Xue Meiren, and used a saw knife to unload Xue Meiren's sister into eight pieces; then, he cut off Xue Meiren's head and chopped her body to pieces. Mix their blood into the wine, and then casually hold Xue Meiren's head and gather with the ministers to drink and have fun. He also drank with the ministers a drink mixed with the blood of the Xue sisters.
Originally, the banquet was happy and harmonious, and the monarchs and courtiers were harmonious; but suddenly, Gao Yang took out a round thing from his arms and threw it out, and when the ministers looked at it, they suddenly exclaimed, vomiting continuously, and how much they ate during the banquet were spit out. It turned out that Gao Yang threw out the head of her favorite concubine Xue Meiren.
Just when the ministers were terrified, Gao Yang began to hold Xue Meiren's head and cry again, and began to miss Xue Meiren. Crying and crying, he ordered his men to remove the flesh from Xue Meiren's thighs, make Bai Sensen's thigh bones into a pipa, and hold the pipa while crying and singing "Beauty is rare again". To show the "thoughts" of Xue Meiren.
The ministers had never seen such a gloomy and eerie scene, and they were all trembling and creepy.
Moreover, when Xue Meiren was buried, Gao Yang followed behind, dressed in rags, disheveled, and crying.