He came back from the dead and saw all the warmth and coldness in the world.
The road to immortality is long, and immortality is hard to come by. Only a ray of immortal soul can see through the world of mortals after experiencing life and death.
He was once a high-spirited young man who wielded a sword to the ends of the earth and enjoyed grudges, but he was betrayed and died.
However, death is not the end. He accidentally discovered that he has the property of immortality, and he was reborn in death again and again, struggling in despair again and again.
