He killed the Lê emperor and proclaimed himself emperor, starting off the Mạc dynasty. Right after defeating several revolutions for 2 years, Mạc Đăng Dung adopted the Trần dynasty's practice and ceded the throne to his son, Mạc Đăng Doanh, and he became Thái Thượng Hoàng. That is the inspiration https://gk8813455.bloggip.com/31068820/top-việt-nam-secrets