In the sixth year of Gu Yuanqing's seclusion, the demonic calamity erupted without warning.
Countless heavenly demons gathered into a torrent that blotted out the sky and sun. Howling and shrieking, they surged toward the Human Race's territory like a black tide bursting through a dam.
Clang! Clang!
Bleak, urgent alarm bells rang through every mighty border city and fortress.
Thanks to the experience accumulated over long years of fighting heavenly demons, and preparations already in place, the Great Hao Divine Dynasty and the major sects were alarmed but did not descend into chaos.
The protection grand formations were immediately activated to their utmost limits, spiritual light weaving together into an unbroken bulwark of radiance.
Well-trained legions of cultivators swiftly took their positions, the brilliance of their Dharma Treasures tearing through skies stained by demonic qi.
Yet the most terrifying aspect of heavenly demons had never been their strength in a head-on confrontation alone.
Even with the grand formations sealing them out, contamination by demonic thoughts still seeped in unnoticed.
Whether they were frontline warriors or those providing support in the rear, Human Race cultivators might harbor a trace of fear, anger, or even love, hatred, gratitude, and grudges while cultivating or regulating their breathing. Every flicker of emotion could draw the attention of extraterrestrial demons and bring demonic thoughts descending upon them. At best, these would disrupt their cultivation and cause hallucinations; at worst, they would send them into cultivation deviation. If demonic thoughts seized their minds and turned them into demonized people, disaster would follow.
Within the defensive lines, the losses were even more shocking than those on the battlefield itself.
Such was the calamity of heavenly demons.
Everyone knew this was only the beginning.
Millions of years of warfare had taught the cultivators of the Nine Domains