"Though it isn't iron essence, it should be close enough. That makes things rather troublesome."
After a round of testing and examination, Fang Yu had basically confirmed that the Millennium Ironwood from The Great Primordial World was in no way inferior to iron essence, which only Core Formation cultivators could refine.
In that case, turning it into puppets would not be easy. It required a Core Formation cultivator's pill fire.
The innate true fire of a Foundation Establishment cultivator like him could refine it, but it would consume far too much True Essence, magical power, and time. The success rate was also low, making it more trouble than it was worth.
And since he was not a Core Formation cultivator, how could he possibly possess pill fire?
Wait, how had he forgotten that place?!
A flash of inspiration suddenly struck Fang Yu's troubled mind, and he laughed aloud.
Sacred Peak Foothill Hall, though called a "hall," was actually one of Yellow Maple Valley's largest cave residences.
It was the specialized repository for Yellow Maple Valley's magical artifact and pill-refining formulas, books, and secret techniques. It also provided various auxiliary tools for pill refining and artifact forging, along with common materials. It could be said to be one of the most important places in all of Yellow Maple Valley.
For that reason, it was filled with restrictions and layer upon layer of formations. More than a hundred disciples also frequently guarded and patrolled the area to prevent enemy incursions.
There were even rumors that a Core Formation Uncle-Master Ancestor stayed in seclusion within the hall year-round, overseeing the place in case some other great expert infiltrated it.
What interested Fang Yu was not any of that, but the earth-fire chambers in Sacred Peak Foothill Hall. The quality and effect of