Not long after, in the Sky Yin Mountain Range, a mercenary group had been hunting demonic beasts when, in pursuit of a heavily wounded one, they ventured five thousand li deep into the mountain range.
By a stroke of luck, this mercenary party discovered a Foundation Establishment cave mansion.
Outside this Foundation Establishment cave mansion were not only a Second-Tier Illusion Formation, a Second-Tier Trapping Formation, and a Second-Tier Killing Formation, but also two Second-tier Great Demons—Blood-Devouring Centipedes.
Of the two Second-tier Great Demons, one was at the Second-tier Mid-Stage, while the other was One Second-Tier Early Stage.
Even more terrifyingly, the two Second-tier Great Demons could crudely wield the formations, activating them to kill enemies and slaughtering wave after wave of cultivators.
At first, the mercenary group had wanted to keep it hidden and monopolize the Foundation Establishment cave mansion's treasures.
However, after a brief probe, the mercenary group suffered heavy casualties. If not for the Second-tier Great Demons—the Blood-Devouring Centipedes—not easily leaving the cave mansion, they would surely have been wiped out to the last man.
After the mercenary group's survivors returned, they secretly visited friends and contacted trusted fellow cultivators, relatives, and friends, launching a second assault on the Foundation Establishment cave mansion.
But it was all for nothing. Even after gathering three to five Qi Condensation Tenth Layer cultivators and more than ten Late Qi Condensation cultivators, they still suffered heavy casualties and fled for their lives in panic.
In the end, left with no other choice, the survivors discussed it and decided to report it to the Foundation Establishment Immortal Clans, selling the Foundation Establishment cave mansion's information in exchange for cultivation resources.
Moreover, they were exceedingly cunning, selling the same piece of information many times over.
They sold dozens of copies at the same