Three days' time gradually passed within the City of the Dead. As more and more powerhouses entered the city, what should have been an overlooked town suddenly burst forth with immense energy.

By the time the first rays of light appeared on the fourth day over the city, the entire City of the Dead was in complete upheaval. Countless individuals emerged simultaneously, their figures swarming across the sky of the City of the Dead like locusts.

The reason was ...