Everyone knows that Xue Sai is the most powerful empire in the entire continent
The king has three children in total, the eldest prince Xuanyuan Le, the second prince Xuanyuan Zhou, and the third prince Xuanyuan Lie.
Xuanyuan Le was designated as the next heir from birth, and the other princes trained him as assistants, so the three brothers became "brothers, friends, and brothers respectful"
Until the barrier between humans and demons collapsed, revealing events from the past.
Xuanyuan Le is not the son of the king.