(An alien sea + adventure + imagination + reasoning + faster pace.)
Monsters and beasts are everywhere here, strange phenomena that go against common sense occur frequently, and it is full of competitions between people. This is a strange sea area full of dangers. Only the truly smart and powerful people can sail safely in this sea area.
Let's look at the protagonist group, relying on their wisdom and strength, they are invincible and advance towards the final island of Bartov.