C1688 Mountain and Sea Ju Zheng

The old man brought the couple to the top of the tower, pointed at a door, and said, That's the exit, and once you leave this door, you can return to the mortal world.

The man with the surname Fu finally could not help but ask what realm this was. Why did the old man want him to leave the top of the tower when he drifted over from the sea?

The old man smiled and answered his question