He has lived for thousands of years and has seen vicissitudes of life and dynasties change. He has waited for 500 years for that person's reincarnation. He wants to find "that person", but every time, he can only watch the other person die tragically because of the words "all the people in the world".
Intention: The most cruel fate in the world is not death, but the fact that you can't change it even though you have the chance to change it.