In 547, Gao Huan died, and Gao Cheng became effective regent of Eastern Wei, dominating the political scene, and he soon considered taking the throne from Emperor Xiaojing of Eastern Wei. However, while preparing, he was assassinated by his slave Lan Jing (蘭京) in 549.
In 547, Gao Huan died, and Gao Cheng became a regent for Eastern Wei, dominating politics. He intended to take the throne from Emperor Xiaojing of Eastern Wei but was assassinated by his slave Lan Jing (蘭京) in 549.