How about high position and power, how about immortality.
Human nature is that he is unsympathetic and stubborn. But who knows, looking at the complexity of the world, the entanglement of good and evil, birth, old age, illness and death, one time is enough to make it unforgettable. He died once, but unexpectedly, he met him after a thousand years. Destined reincarnation of karma.
The grudges between two lives, mortals, spirits, or wandering souls. They are all entangled in love and hate for hundreds of years.