C536 Discovered

The purple moon in the sky seems to have become brighter, allowing me to see further.

In front of him, there seemed to be a gigantic city wall. Faintly, one could see shadows of people moving back and forth on top of the city walls.

That huge wall was at least a few dozen feet high, and below it was a strange arched door, in the middle of which a few figures were moving back and forth