Eastern Region, Demon Illusion Mountain.
Once, the Southern Region was the most frequent haunt of demonic cultivators, due to its desolation and poverty, as well as the higher number of sinister locales. Plus, the Immortal Sect's influence in the Southern Region was comparatively small, with the two leading Sects, the Shu Mountain Sect and the Heavenly Gang Sect, being among the weaker within the Nine Heavens.
But times change, and with the strong rise of Shu Mountain, Red Cotton Peak had attracted cultivators from all corners to gather there. The vigorous power of the Righteous Path meant a diminishing living space for demonic cultivators.