Dragon Elephant City, located within the territory of Si Xue Dao at the Tianshui Border, is usually managed by the Great Song Immortal Dynasty.
After the righteous and evil factions war began, the Demon Suppression Department's manpower became insufficient, hence the Holy Sect ordered that the sects nearby would take turns to guard it.
As for the root cause of the righteous and evil factions war, it is the struggle for cultivation resources.
Humans who cultivate through normal paths often primarily absorb nature's spiritual energy.
Whereas demon cultivators prefer the evil atmospheric energy.
Whenever they occupy a spirit vein, they would gradually transform it into a slaughter vein through blood sacrifice, slaughter, and other means.
Once it becomes a slaughter vein, ordinary cultivators can no longer reside, and even the surrounding spiritual beasts and spirit plants mutate.
Transforming a spirit vein into a slaughter vein requires sufficient slaughter.