A moment later.
"The Ghost Kings of this Snow Domain actually know how to form battle formations? How are they any different from those demonic beasts of the Nine Abysses?"
After hearing Xu Taiping's brief explanation, Gu Qingcheng spoke with astonishment on her face.
"They don't just know how to form battle formations. They even know how to draw on their commander's power to condense battle intent."
Xu Taiping turned and glanced at the white-robed Ghost King far outside the city.
"Boom!..."
Just then, amid the ghost horde outside the city, eight enormous Ghost Kings suddenly hefted a thick Black Iron Pillars together and slammed it hard into the wall Xu Taiping had conjured from 𩙥 Flame.
"Bang!"
Amid the tremendous shock, although the 𩙥 Flame wall did not suffer much of an impact, Xu Taiping was surprised to discover that the thick iron pillar was also impervious to the scorching 𩙥 Flame.
"Fortunately, we have this wall you condensed from 𩙥 Flame, young master. Otherwise, even with three hundred people, we probably couldn't withstand this ghost horde's first charge without being able to form a battle formation."
After feeling the terrifying force of the ghost creatures' blow outside the wall, Gu Qingcheng's face showed lingering fear.
"Young master, how much longer can your 𩙥 Flame hold out?"
Gu Qingcheng took a jade slip from inside her robes and asked Xu Taiping again.
As she saw it, unleashing 𩙥 Flame over such a vast area was bound to consume enormous amounts of true essence. Even Xu Taiping could not sustain it for long.
"Half an incense stick's time, I suppose."
Xu Taiping answered after giving it some thought.
"H-half an incense stick?!"
Gu Qingcheng, who had been about to send a message with the jade slip, stumbled.
She had thought