Iron Chariots and Bronze Walls, a Marvelous Sight; Straight into the Mighty City to Explore Wu'an.

Outside Wu'an City, five streaks of rainbow light descended soundlessly onto the wild grasslands beyond the city. Their solid, razor-sharp magical power vanished in an instant, leaving no trace behind.

Zhao Gongming was the first to reveal himself. The cloud, dragon, and tiger patterns on his dark brocade robe gleamed faintly beneath the morning light, making his tall figure appear all the more extraordinary.

His gaze turned toward Wu'an City in the distance. At first glance, his steps unconsciously paused, his brows rising slightly as a flash of surprise swept through his dark eyes.

Wu'an City's walls stood over ten zhang tall—nearly twice the height of the capital walls from the Shang-Zhou era in his memories. Their outer layer was clad in special hard stone slabs made by the Mohist Pavilion. Sunlight fell across them, casting a cold, blue-gray sheen with none of the weathered mottling common to ordinary brick walls.

Between the battlements, a bronze watchtower stood every five zhang. Silver-gray steam pipes wound around the towers, and wisps of pale vapor occasionally drifted from their mouths, as though a thin veil had been wrapped around this majestic city.

The main gate at the center was a double-layered steel structure. Through the cracks around its hinges, one could vaguely make out silver-gray steam pipes and bronze valves. Such a heavy iron gate could never be pushed by ordinary human strength; clearly, it was opened and closed by some strange mechanism.

Above the gate hung a plaque more than a zhang wide, bearing the words "Wu'an" in bold seal script.

A fist-sized bronze bell was set into either side of the plaque. Whenever the wind blew, their chimes rang clear but not harsh, lending the city an even greater air of majesty.

On the city walls, disciples of the Mohist