The north wind howled bitterly, its piercing shrieks streaking through heaven and earth like cannon shells, while rolling dark clouds hung overhead day after day like a vast curtain.
Though the Hilly Lands were vast, the Southern Sky Cultivation World no longer possessed the strength to build another defensive line across the hills.
After half a year of rout, the immense Hilly Lands had then, under the strategy of trading space for time, nearly fallen completely in just a few short years.
The Big Dipper Seven Cities, once the central hub of Great Chu, had naturally become the frontline directly facing the Demon Clan's threat.
Yet, with the situation having deteriorated to this point, these past few years had seen a rare stretch of peace in this borderland.
After sweeping through the Hilly Lands, the demon tide had not advanced another inch.
Though the Big Dipper Seven Cities stood at the very forefront, not a single great battle like those that had once erupted at every turn had occurred in these past years.
The tense and worsening situation seemed to have quietly settled into calm.
Upon the walls of Tianshu City, Chu Mu stood alone. Looking out across the boundless world, he could scarcely glimpse any trace of demons.
It was as though this remaining frontier of the Northern Border had suddenly been forgotten by the Demon Clan.
The calm was eerie, yet it also seemed only natural.
After all, the Demon Clan's targets for conquest were not limited to the Southern Sky Cultivation World.
The cultivator world still resisting the demons and holding back the mutation of heaven and earth was not limited to the Longevity Sect or the Southern Sky Cultivation World either.
In this present age of heaven-and-earth mutation, the Demon Clan was clearly unlike before, when