Generally speaking, a Yin Fiend Land in the Cultivation World would always form near a Spirit Vein, as it required a certain amount of spiritual energy to truly take shape.
If the Yin Energy gathered in a Yin Fiend Land was pure enough and accumulated for long enough, it could condense into a particular kind of "baleful yin qi." This was something Demonic Path cultivators coveted most, immensely valuable whether used for their own cultivation or incorporated into magical artifacts.
Naturally, Wang Yu was astonished that a Yin Fiend Land could form naturally on Blue Star, where there was no spiritual energy.
Though he knew only the most basic principles of formations, he easily discovered that Pengjie City sat right at the heart of this natural baleful yin terrain.
Even in the Cultivation World, Yin Fiend Lands were exceedingly rare. Most were artificially created by cultivation factions.
Pengjie City did not qualify as a true Yin Fiend Land, however. After all, it possessed only the terrain, without any spiritual energy.
Even so, when Wang Yu stood on the hills surrounding Pengjie City and gazed toward its center, he found that the entire city seemed shrouded in an indescribably gloomy atmosphere.
Earlier, while he was inside the city, even his keen Divine Sense had detected nothing amiss. Only after stepping outside Pengjie City and observing it as a whole did he notice something was wrong.
Could terrain like this gather something uncanny even on Blue Star, without any spiritual energy?
Wang Yu was somewhat puzzled.
There was no doubt, however, that this baleful yin terrain had a great deal to do with the formation of living soul iron in Pengjie City. The only thing he still could not quite understand was why pigs, sheep, chickens, and ducks produced living souls after