A battlefield had never been a matter for just one or two people. Even someone as powerful as a demigod could feel helpless in the face of a Plane War.
The collapse in the direction of West Hill Mountain was not simply a single line being broken.
It was like a checkpoint had been torn open. When the "Iron Cavalry" streamed through it, the entire region behind them suffered.
Having breached the defensive line, the Abyssal Swarm did not hesitate to display the multi-front operations at which their race excelled most.
They scattered in several directions for rapid raids. The fleeing survivors were far slower than these hunters, directly leading to the tragedy of dozens of cities being massacred in a single night.
They were creatures with no need for captives. The Biomass of ordinary people became their troops, while the brains of the intelligent became their source of intelligence. There was a reason this world hated insectoids; it was a blood feud forged by Mercury 42's long history of war.
Even though many Scholars had now confirmed that the Intelligent Insect Swarm had originally been natives of this world, trying to reason with history and hatred was inherently unreasonable.
".We will prove our worth."
Those Awakened Insectoids unhesitatingly chose the most difficult front.
Even so, it was still not enough. They could only hold back one direction.
The scattered Abyssal Swarm had already entered the stage of snowballing their forces. Their primary source of Biomass was not even the local intelligent races—the nearly limitless fish and marine life of this ocean world had become their finest hunting ground.
Large Sea Hunter Insects resembling whale sharks hunted everywhere for them while also searching for key "strategic points."
This world's stability actually far surpassed Earth's. Randomly drilling holes into another world