He had now reached the late stage of foundation establishment and needed to gather all the materials for refining the Five Elements Dao-Evolving Sword as soon as possible.
Before facing his golden core Tribulation Lightning, he needed to refine the embryo of the Five Elements Dao-Evolving Sword. By weathering the Tribulation Lightning alongside him, it would receive the blessing of the laws of heaven and earth and become a true bonded Magic Treasure that could grow with him.
Since there was a deposit of Cave-Mystery Iron Essence here, he could not let it slip past him, no matter what.
After Niu Ben told him everything he knew about the Netherworld Domain, Xu Yan quickly left.
According to the man, only the three widest branches in the middle had any chance of producing third-tier ore.
Xu Yan chose one of the broadest branches and followed the valley's course deeper inside.
The farther he went, the thicker the gray mist became, and the colder and more sinister the air around him grew.
About an incense stick's worth of time later, Xu Yan had traveled over a hundred li into the valley. The mist here was already so chilling that even a Foundation Establishment Late Stage Cultivator would struggle to remain for long.
Fortunately, his body was powerful, keeping every wisp of that sinister chill outside his skin.
Along the way, he discovered many mining pits. Most of their ore had already been excavated, and even the occasional remnants were only first- or second-tier ore, of little use to him.
After another incense stick's worth of travel, the mist in the valley grew even denser. Much of it had even condensed into gray-black droplets suspended in the air, giving the entire valley a hazy appearance.
Under these conditions, it was difficult to make