South of the Nine Cities of the Hills.
Lay Azure Cang, East Lake, and Luofu, in that order.
These three places were also the three most renowned Fourth-Order Spiritual Veins in central Great Chu.
On the eve of Great Chu's civil strife, Azure Cang was occupied by the Longevity Sect, while East Lake and Luofu formed horns against each other and were held by the East Lake Xie Family.
Later, the tides of war shifted, and the Azure Cang Water Vein changed hands time and again. In the end, after the Longevity Sect's army reached East Lake, the Battle of Jingmen, and the Battle of Luofu, the East Lake Xie Family, which had endured for over ten thousand years, was buried.
After years of southern campaigns and northern conquests by the Longevity Sect, as the frontline battlefield advanced elsewhere, the three Fourth-Order Spiritual Veins of Azure Cang, East Lake, and Luofu successively became the sect's hinterland.
Later, when the Demon Calamity erupted, the Longevity Sect had once relied on these three Fourth-Order Spiritual Veins to establish two lines of defense. Yet they ultimately collapsed one after another, leaving only the Nine Cities of the Hills barely holding on until now.
The fallen Fourth-Order Spiritual Veins of Azure Cang, East Lake, and Luofu naturally became the core territories of the Demon Race in central Great Chu.
From the perspective of the terrain, the three Fourth-Order Spiritual Veins of Azure Cang, East Lake, and Luofu stretched from north to south like the points of a triangle, situated in the central territory of Great Chu.
Azure Cang rested against the Azure Cang Great River and served as the core hub for the demons' invasion of the Nine Cities of the Hills.
Luofu and East Lake provided support from the rear. The triangular formation