However, when ascending from the Underwater City, Dong Tianyu had carefully observed that the center of the Great Whirlpool on the surface of the water was indeed directly above the merfolk city below.
According to common sense, the Merfolk's Underwater City was built here either because of this natural wonder or after its construction, this man-made spectacle appeared.
If it were the former, it wouldn't be too concerning, but if it were the latter, it would suggest that within the Underwater City, there were still treasures that Dong Tianyu had not found.
At that time underwater, Dong Tianyu had already scanned back and forth with his Divine Sense multiple times, confirming that he had not found anything valuable or of a remarkably peculiar appearance. Moreover, the entire Underwater City had been destroyed by the White Bone Puppet, making the search for an unknown item whose existence was uncertain all the more difficult.
