Ever since receiving Song Changsheng's assignment, Song Qingxing had spent during this period investigating the source of the Demonic Qi in the Lu Kingdom Cultivation World, while incidentally wiping out Demon Beasts along the way and using the [Void Tower] to transfer mortals and the like.
There was actually quite a bit of Demonic Qi left at the scene, but he did not know why none of it could serve as a medium for tracing the source, and the investigation fell into a brief deadlock.
Only, under this sky, there was no wall that did not let wind through. As the people and Demon Beasts corroded by Demonic Qi became more and more numerous, he eventually discovered a few faint spider-silk and horse-track clues.
Following these traces all the way, he soon discovered a group of Rogue Cultivators who had been corroded by Demonic Qi and fallen into demonhood.
Under the influence of Demonic Qi, they had already lost all humanity, hunting mortals and cultivators in packs, and their numbers expanded at an extremely rapid pace.
When Song Qingxing discovered them, the mortals and cultivators who had fallen into demonhood numbered more than three thousand combined, with over a hundred Demon Beasts besides.
This was undoubtedly a shocking number. What made one feel most uneasy was that after these people fell into demonhood, their strength all soared violently.
A Middle Qi Refining Stage cultivator, after falling into demonhood, could actually display the strength of a Late Qi Refining Stage cultivator; speed, endurance, explosive power, physique, and the rest all improved across the board.
After those mortals were enhanced, if a dozen or so of them swarmed up at once, even an Early Qi Refining Stage cultivator would have to avoid their sharp edge.
In truth, strength was still secondary. The