Right at this moment, the entire ship shuddered once again, and at this point, even the other people on the ship could sense that something was amiss.

"What was that?" On the deck, Rick was staring out at the surface of the sea with a bewildered expression. Having spent so much of his life out at sea, he was far too familiar with the fickle maiden that was the ocean, and these abnormal tremors immediately tipped him off to the fact that something was wrong.

"Captain..." The first mate and the second mate gathered beside him. There was no point in their actions, they were merely instinctively approaching their captain in order to assuage their unease. The entire crew on the ship, consisting of several dozen sailors, were all staring intently at the surface of the sea just as they were.

Something's wrong... 

They had been too complacent prior to this. How could they not be complacent when accompanied by escort fleets? However, they had finally discovered that there seemed to be a problem with this route.

It was too quiet.

There was not a single seabird in the sky, nor any signs of Yin beasts on the surface of the sea. It was the ocean, but it more so resembled a completely still and stagnant pond at this moment.

Furthermore, the seawater was supposed to be blue, but it was completely inky-black, almost as if there was a terrifying beast lurking beneath the surface, blocking out all of the...