It probably means that great love has no boundaries, and the true feelings will remain in the world forever. Ye Chen, the hero, listens to martial arts and symbolizes eternity. As long as everyone has justice, great love and always remembers his hometown, his spirit will never die.
The novel Emperor Zun of Wuxian ends in chapter 2587. The main story is that nine thousand years ago, Emperor Wuxian led millions of gods into the ancient wilderness, but no one came back, only a ray of real fire remained on earth. Nine thousand years later, Ye Chen, the abandoned disciple of the sect, that is, the hero, was driven out of the sect gate and became homeless. At the time of ancestor worship, by chance, he got really angry unexpectedly and set foot on the road of immortal martial arts again.