Unlike what his friends thought, John wasn't depending solely on the one hundred defensive towers he had laid. Those were his secondary line. His real trust was in the four enhanced cannons he had left on the ground.
He knew he was risking them by placing them so far forward, which was why he deployed his defensive towers to ensure the area closest to the upgraded cannons remained a dead zone for any monster that dared to get close.
Grasping his intentions through the chaos, his friends overworked themselves to the point of collapse. In just half an hour, they managed to clear the remaining stragglers of the tenth wave.
As the last yellow monster fell, the four of them stood amidst a mountain of corpses, panting in sheer exhaustion from the crazy and continuous fighting they had endured over the past several hours.
