Chapter 488:

Outside the battlefield, Memphis was fully focused on controlling his eight ice puppets to slaughter zombies and attract their firepower when he suddenly frowned. Why were the zombies gathering in greater numbers, becoming more frenzied with each passing moment?

Although he had no clue what was happening on the other side, the intensity of the monsters' attacks kept increasing, putting more pressure on humanity. Memphis was forced to order the firing of demon-slaying artillery shells along with regular artillery to "scare" M2 into retreating for defense, continuing the revolving battles with their tactical maneuvers.

But that pig dared not to retreat. Instead, it sent more Level 9 regular zombies to intensify the attack on humans, which made Memphis feel even more anxious and confused. He had no choice but to order the launch of three PG-9V shells simultaneously, hoping to frighten M2 back into the expected course.

After the three shells exploded and the extreme shockwaves and pressur