C488 Fighting in the Celestial Pole(5)
A month ago, since the Foxes began using the [Murderous Whale Sculpture] to attack the humans' fleet, the Merfolk increased the defense of the seabed. Their Great Siren troops were stationed at the border of Mediterranean Sea, and were already able to effectively suppress the killer Whale Demon Statue's attacks.
However, ten days ago, some kind of even more powerful enemy appeared in the sea