Chapter 6323: Chapter 583 Critical Moment

The ancient city was besieged by a demon army, and the battle was extremely fierce from the very beginning, with demonic monsters surging in like a tide.

Before the war began, the residents of the ancient city had practiced many times, believing that with their superior equipment, they could definitely defeat the enemy.

But when the war began and mutated monsters kept swarming in, the residents of the ancient city realized that they had been too optimistic in the past.