It turned out that the diagram was a map of the entire Ice Fire Valley. The place where Yan Chihuo was located was actually at the bottom of the Ice Fire Cold Spring, with no way out at all.
That passage of text was the method for refining the Five Peaks Divine Prison Diagram. This refining method was more than ten times more complete than the one Yan Chihuo had recorded. It described how to refine the entire Ice Fire Valley into the Five Peaks Divine Prison Diagram.
If he refined this treasure, Yan Chihuo would be able to leave—and gain an extraordinarily powerful treasure besides. The person who had left behind this refining method had feared that whoever came later would lack sufficient strength, so they had already refined eighty percent of the Five Peaks Divine Prison Diagram and sealed it here. They had also left behind a technique that could seal away most of the treasure's power, allowing it to display only the power of a top-grade spirit treasure.
Yan Chihuo pondered for a long while. He knew this method was feasible, but then a wild idea struck him: could he connect his five God-Falling Steles with these Five Peaks and refine them into a single treasure?
When he and Yuan Yangzi had been refining artifacts, they had considered this very question. They had already calculated nearly everything and were only waiting for the final refinement. Thus, upon reading the refining method left behind by this person, he immediately thought of it.
Yan Chihuo sat cross-legged and racked his brains for more than ten days. Then, enlightenment suddenly dawned. He threw back his head with a laugh and left the stone chamber.
Another ten years passed in the blink of an eye. In the Crimson Blood Desert, more