C100 The End of the Abyss Monsters in the Deep Abyss of the World of Mind

In the desert expanse of the Lost Nation within the Inner World, the four members of the Ostia Team completed their preparations. Their mission was to parachute into the heart of Sand City and execute a surprise assault on the Abyss Monster lurking there.

The Inner World was a vast supercontinent of sand, crafted by a Plane Creation God who, after setting the terrain to predominantly desert