That altar in the desert had been built by the Netherworld Master as preparation for invading the Human Realm.
Back then, inside that altar, he had discovered a Fire-Winged Monkey. Not only had it been controlled, but the battle prowess it unleashed had also become far stronger.
It was precisely because that Fire-Winged Monkey had been under the Netherworld Master's control that such a mutation had appeared.
The Fire-Winged Monkeys he had encountered in these mountain ranges several times recently had likewise undergone some unusual mutations.
However, judging from their mutational traits and the way they fought, they had not been controlled.
Therefore, Jiang Liu now suspected that there might be some deeper connection between the two.
Or perhaps the reason the Fire-Winged Monkeys had undergone such mutations this time was very likely the influence of that altar.
Back then, he had only destroyed the altar. He had not completely eliminated it.
Moreover, he had no idea what had become of that desert now.
When he had left, a Primal Qi Storm had already appeared there.
It would probably not be long before the desert's former state changed.
It seemed that the reason these exotic beasts had grown so powerful today was not entirely because of the Earth Vein mutation.
It was even more likely that the Human Realm's environment had changed because he had destroyed that fragment of the Netherworld Master's consciousness and soul back then.
Regardless, he had to investigate the Earth Vein beneath this place.
Most importantly, he had discovered a trace of aura belonging to a demon god on Qin Bailian.
That was the real reason Jiang Liu was taking the mutation that had appeared in the Fire-Winged Monkeys so seriously.
Before long, Jiang Liu's figure appeared at the place where the Howling Moon Skywolf had