Volume 1 :Book 1 - A battlefield of humans, demons, and angels.

Volume 2 :Book 2. - The Bloody Path of a World King

Volume 3 :Book 3 - Fight between Depravitas and Gods

Volume 4 :Book 4 - The Dark Hunger That Fell from the Sky

Volume 5 :Book 5 - The war at the end of the world / The rise of the king of Leviathans