Hell
As the Game World's upgrade notification kept ringing out, earth-shaking changes were taking place throughout Grizzly City.
The zombies that had found no prey or food and had been wandering aimlessly along the ruined streets all stopped in unison.
The eyes already filled with slaughter and bloodlust grew even brighter and more vivid.
Beneath their rotting skin, their muscles gradually swelled and bulged, and countless bone spikes and fleshy tendrils burst out of their bodies.
Baring their increasingly sharp teeth, they suddenly began to roar in fury.
"Rrraaah-!"
It was a howl that came from the soul, as though some unforgivable being had blasphemed against their Gods.
One roar, then two, then three...
As the roars of tens of thousands of zombies overlapped and echoed throughout Grizzly City, the city had completely become a living Hell. Its central area was gradually filling with running Mutant Zombies.
They had no thoughts or awareness, and certainly believed in no Gods.
Yet at that moment, they all began to run in unison, moving faster than ordinary people as they charged toward the being they had to kill at any cost!
If there had been a drone in the sky above Grizzly City, it would have seen what was happening in the city center.
The zombies' faces grew increasingly hideous and savage as they ran faster and faster, gradually meeting and converging amid the ruins.
They might collide with one another, or their bodies might lose control and bite each other.
But neither mutation nor evolution could stop them from surging toward the giant monster in the central area, as fiercely and relentlessly as water released from a breached dam.
That giant monster was the G-Virus Infected, which had grown to over twenty meters tall. Its body was constantly changing shape as it charged