Gu Chenfeng and the others climbed Black Iron City's northern gate tower and gazed out over the land to the north.
Less than two hours later, the ground began to tremble faintly. Dust gradually rose along the distant horizon, followed by a dark mass of troops and banners.
In the sky, an enormous black cloud followed behind them. It was actually a flock of flying demon beasts.
Across earth and sky, two great armies surged toward Black Iron City, kicking up billowing dust and making its gate tower hum incessantly with their tremors.
At the enemy's menacing approach, Ling Wanshuang and the other two could not help their expressions shifting slightly.
The Dragon Emperor and his two companions, however, watched the distant sight without expression.
As elites of the Dragon-Controlling Guard, their breadth of experience and composure were far beyond the ordinary.
The Barbarian God even brought out an enormous Black Gold Battle Axe.
"Worthy Brother, let the three of us charge out and help you drive these fellows back."
Gu Chenfeng hurriedly raised a hand to stop him.
"Second Brother, you, Eldest Brother, and Fellow Daoist Taiqing should conceal your auras and stay out of sight for now.
You only need to watch this battle. There's no need to intervene."
Although the three were somewhat puzzled, they still chose to trust Gu Chenfeng. They immediately concealed their auras and retreated to the rear.
They watched from afar as that sizable army of cultivators swept forward like a gale scattering clouds, charging to within several miles north of Black Iron City.
The Heroes Alliance's main army, led by the Blood-Seeking Hall, had already spread into formation. Their ranks stretched out like an iron wall, numbering at least seven or eight thousand cultivators.
Above the army, flocks of flying demon beasts