The skeleton head rolled all the way down, following a narrow and long underwater canyon, passing through a layer of illusory barrier, and rolled into a hidden cave.
The cave was winding and dark inside, and the deeper it rolled into, the denser the ghostly aura became.
The ghostly eyes glowing with green light allowed it to see clearly even in the darkness.
When it reached a stone door, it found the mechanism to open the door, circled around it a few times, and rammed it hard.
The protruding rock sank down, and the stone door clicked open, slowly moving to both sides.
"Did more goods arrive?"
"I wonder if it's a sea monster or a female cultivator?"
"I prefer female monsters, especially fox monsters, they're so amorous and alluring."
"Fox monsters are rare, only a few of them appear in a year, but human female cultivators are quite common. Some of them are quite beautiful, and they're pleasing to the eye."