There was black fog in the Origin Sea too.
It was a disaster deliberately arranged by the system to drive players onward.
But the black fog before them was different. It floated only on the sea's surface, and its color was denser, like flowing darkness.
Yang Yi observed it with Three Eyes for a while, then looked at Su Na and shook his head, indicating that he had no idea.
"A few minutes ago, there wasn't any of this black fog on the sea, so it must have only just appeared.
"And this fog has a physical substance. It isn't an illusion. I can see it with Three Eyes too."
Su Na stared at the black fog for a while, then ran to the stern storeroom, intending to scoop some up with a wooden bucket and examine it.
Yang Yi beat her to it. He went to the ship's side, tied a live Long-Legged Sardine to his fishing line, and cast it into the sea.
The sardine entered the water without trouble. The fog was only a thin layer, with seawater beneath it.
The Long-Legged Sardine entered the sea, but Yang Yi soon noticed something wrong.
There was no pull at all from the other end of the fishing line, as though a dead fish hung from it, motionless.
Yang Yi raised the fishing rod and inspected the fish. It was indeed dead, and its condition was horrifying.
Su Na came running over with a bucket just then and found Yang Yi staring hard at a dead fish.
"What's wrong?" she asked.
"I tested it with a Long-Legged Sardine to see whether this black fog was aggressive.
"And then the fish died..."
He showed the dead Long-Legged Sardine to Su Na.
The fish had no external injuries. Its eyes were