In the Daxing Dynasty, thirty years after his reign, Emperor Han Ling made the eldest prince Han Yijun the crown prince. Forty years after his reign, Emperor Han Ling passed away. On the eve of his succession, the prince suffered a sudden illness and died suddenly in the East Palace. Then, the second prince Han Yisheng succeeded to the throne, with the reign name Yuan'an, and everyone in the world respected him as Emperor Yuan'an.
Purpose: The price of growth