A "sudden" war unfolded under the conspiracy of those with ulterior motives.
No one knew what spell had bewitched the five great Demon King Fortresses, or whether they had suddenly gone mad. In a short time, they had gathered vast numbers of devil soldiers, split them into five forces, and descended upon the East Qian Defense Zone.
Each Demon King army included more than a dozen lord armies, with over fifty thousand elite Devil Race Battle Soldiers in total.
It was an exceedingly terrifying force. Back when Great Qian had still been weak, the arrival of even one such Demon King army would have forced them to fight for their lives.
But today's East Qian Defense Zone was no longer the Wu Kingdom's ignorant youth of old. With the tremendous growth of its national strength, the large-scale development of the Outer Devil Realm, and strengthened defensive fortifications, it was not so easy to bully.
The Demon King armies were all blocked outside one impregnable line of fortifications after another.
For instance, Autumn Water Pass in the north had been built at the most perilous point amid towering mountains. It was the first line of defense against the northern route from Giant Scythe Devil King's Fortress.
Building such a mighty pass there had been extraordinarily difficult. Over the years, Great Qian had poured countless manpower and resources into it. Had the Wang Clan not led its allied families by marriage in offering vigorous participation and support, the Great Qian treasury alone could never have built such a pass in merely thirty years.
Fortunately, the East Qian Demon Realm Defense Zone had now been developed into an independent economic entity. Not only had it achieved self-sufficiency in food crops, it also produced all kinds of high-quality grain, refined iron ingots and various