C270 Cave universe
Under the guidance of the two mermaids, Xue Yang entered the black hole.
Although Xue Yang's keel state allowed him to see objects in the dark night, this was still a dark and deep place. The ability to see objects in the dark night didn't seem to be of much use, because everything he saw was darkness.
The two mermaids did not seem to be able to see it, they only spread out their arms