The emperor took his adopted son back from the battlefield, raised him with his own hands, and dragged him into the abyss with his own hands.
The position of prince is both a reward and a prison.
He wanted his prince to be defeated on the dragon couch, and he also wanted him to rule the world on the dragon throne.
Intention: A child grows up in a deep palace, from being forced to accept it to taking the initiative to choose, and finally finds his own love and destination.