Garcia Continent, Extreme Northern Seas.

In the bone-chilling waters, the sea roared and surged, creating endless waves. Various dorsal fins, large and small, like blades, pierced the surface, slicing through the water. In the sky, a school of sharks swam dangerously, surrounding massive ice warships floating on the sea.

On one of these warships, seemingly made entirely of ice crystals, the leader of the Frost Giants from the Extreme Frost Empire looked grim. He gazed at the Shark Legion swimming in the surrounding waters, and beyond them, though keeping a certain distance, were clearly allied Siren and sea monster legions.

"The Shark Empire and the Mermaid Empire."