After Emperor Taizong's death in 649, Emperor Taizong's son
Li Zhi became emperor (as Emperor Gaozong). Sometime thereafter, he made Shangguan Yi the deputy director of the archival bureau. In 662, he promoted Shangguan to be
Xi Tai Shilang (), the deputy head of the legislative bureau of government (西臺,
Xi Tai), along with the honorific title
Yinqing Guanglu Daifu (). He also gave Shangguan the designation
Tong Dong Xi Tai Sanpin (), making him a chancellor
de facto. It was said that Shangguan was by now particularly known for his poetry, particularly a style featuring five characters per line; his poetry was said to be decorated and delicate—a style that was then often imitated and became known as the Shangguan Style. It was said that Shangguan was arrogant because of his talent and became the object of much jealousy. By 664, Emperor Gaozong was said to be deeply fearful and resentful of his powerful second wife
Empress Wu, as she interfered too much every day with his decisions and took many of the imperial orders arbitrarily against his will. After the
eunuch Wang Fusheng () reported to Emperor Gaozong that Empress Wu had, against strict regulations, engaged the
Taoist monk Guo Xinzhen () to engage in sorcery, Emperor Gaozong was angry, and he summoned Shangguan to ask for advice on what to do. Shangguan suggested, "The empress has no control of herself, and the entire empire is dissatisfied with her. Please depose her." Emperor Gaozong agreed and had Shangguan draft an edict deposing her. However, because among Emperor Gaozong's attendants were her allies, she found out, and she immediately entered the great palace with the soldiers in an authoritarian manner appeared before him to defend herself. As Emperor Gaozong was caught red-handed with the draft edict in his hand, Emperor Gaozong was scared and ashamed, and he reconciled with her. He further blamed Shangguan for the idea, to divert Empress Wu's displeasure. As Shangguan had served on the staff of Emperor Gaozong's first
crown prince Li Zhong (who was not born of Empress Wu and who was displaced by Empress Wu's son
Li Hong in 656 while Li Zhong was the Prince of Chen, and later both Shangguan and Wang served on Li Zhong's staff while Li Zhong was crown prince,) Empress Wu had her ally
Xu Jingzong accuse Shangguan, Wang, and Li Zhong of plotting to kill Emperor Gaozong. Around the new year 665, Shangguan and Wang were both arrested and executed. Also killed was Shangguan's son Shangguan Tingzhi (). Li Zhong was thereafter forced to commit suicide. From then on, whenever Emperor Gaozong presided over imperial meetings and makes all the day-to-day decisions of the empire, Empress Wu would sit behind a pearl screen behind him to hear the all movements and reports and see and the real power of the state was fully and directly in the imperial meetings of that on Empress Wu. By order of Empress Wu Shangguan's assets were seized, and his family were taken as servants. A number of officials close to Shangguan, including fellow chancellor
Liu Xiangdao, were demoted. Shangguan Tingzhi's daughter
Shangguan Wan'er, who was also literarily talented, became a palace servant. Empress Wu favored her talent and made her a secretary. After Empress Wu had seized the throne herself but then was overthrown by her son
Emperor Zhongzong in 705, Emperor Zhongzong took Shangguan Wan'er as a
concubine. She became powerful, as Emperor Zhongzong often had her draft his edicts. For this reason, Emperor Zhongzong posthumously awarded both Shangguan Yi and Shangguan Tingzhi a number of honors and reburied them with honor. == Notes ==