Multicolored rays of light shot down from the firmament of the Northern Wasteland, merging into the bodies of the cultivators in the seven underground cities and transforming into keys of various colors.
Yellow keys were the most numerous, numbering nearly three thousand. Silver keys followed, with about three hundred. Gold keys were the rarest, numbering only thirty, one of which was inside Yue Ya'er.
When cultivators found these keys inside them and failed to extract them by any means, some grew anxious, while others turned their worry into joy. They believed that the keys would cause no harm to their bodies; rather, they heralded a great opportunity destined to befall them. Although they could not yet discern the keys' purpose, these cultivators began preparing for the great opportunity that could arrive at any moment.
Chapter 2467