She was supposed to be the empress of the world, but as an emperor, he married King Chengan who was fighting on the battlefield in order to consolidate his power.
"Axiang, when I truly become the lord of the world, I will definitely write down the three etiquettes and the six rites. Fengguan Xiapei will marry you back to the palace and become the lord of the six palaces."
Intention: Not everyone's promise can be guaranteed