Among the five Demon Lords, it wouldn't be accurate to say they were openly hostile to each other, but rather they were incompatible. There was fierce competition among them, often leading to large-scale wars in the chaotic depths, as they fought over territory and resources.
Even invading the main world, they each chose a continent to plan their own strategies, rather than gathering together.
And this time, the Dreadlord and the Undead Lord reluctantly cooperated, solely for their own interests.
The Dreadlord possessed a large number of aquatic demons, naturally advantageous for occupying islands in the middle of the ocean. Meanwhile, the Undead Lord commanded the largest land army, relying on the Dreadlord's aquatic demons to transport them to the Northern Continent.
