 Ironically, he was also known for his ability to flatter people of higher status, and he became a favorite of both Gao Wei's father Emperor Wucheng and the powerful official He Shikai.After Gao Wei became emperor in 565, Gao Anagong continued to be promoted, eventually to the title of Prince of Huaiyin.He became particularly powerful after the death of He Shikai in 571 and the general Hulü Guang in 572, becoming known, along with Mu and Han as the "Three Nobles."