"Rumble..."
Outside Black Iron City.
The Iron Halberd Gate's hundreds of Scarlet Fire Heavy Crossbows fired volley after volley.
Meanwhile, the Profound Yin Valley's Yin Crow Talismans formed vast numbers of yin crows that continually hurled themselves at Black Iron City.
At the same time, outside the Nine Palace Trapping and Killing Formation.
Six True Saints led the Sub-Saint experts of their respective sects. Gathered in one place, they unleashed powerful spells from afar and deployed Magic Treasures, bombarding the grand formation.
Although the Nine Palace Trapping and Killing Formation was immensely powerful, a top-tier fourth-grade formation.
Faced with such a large-scale, high-intensity assault, its light barrier trembled.
Across the barrier's surface, formation patterns and inscribed texts circulated rapidly, and the grand formation's light barrier rippled.
Watching the grand formation operating at high speed and the Three Sects' cultivators attacking madly outside its light barrier.
Even Liu Youfang, who was commanding the battle atop the gate tower, was greatly shocked.
He had never expected the Three Sects to be so determined to attack Black Iron City this time.
In his estimation, Black Iron City's top-tier fourth-grade City-Protecting Grand Formation, together with such "deadly weapons" as the Thunderfire Divine Mechanism Crossbow, Thunderclap Drum, and Heaven-Mending Net.
Should have been enough to intimidate the Three Sects and send them slinking away with their tails between their legs.
That was why he had been brimming with confidence and acting so arrogantly.
He had never expected that, rather than being scared off, the other side would dig in for a fight to the bitter end.
This could not help making Liu Youfang a little apprehensive.
For he knew very well that, although the city defense resources the City Lord had entrusted to him were substantial.
Many of those deadly weapons were "high-grade goods" found