Qiu Qianhai had found this place two days ago. He had discovered that the Cold Iron Sand in these nearby waters was far more abundant than elsewhere.
Whenever they encountered such a situation, any miner with a bit of experience could guess with Stillness that there had to be a Cold Cave nearby.
And a Dead Cave at that!
As for how he knew it was a Dead Cave... because a living Cold Cave could be felt from a mile away, its chill seeping through the distance.
To find a Dead Cave, one first had to notice that the Cold Iron Sand in one place was richer than in others. For an ordinary miner, only an old master among miners might detect even the slightest anomaly.
But before Qiu Qianhai, who possessed the Mysterious Finger Bone, none of that had been a problem.
As early as a few days ago, he had kept talking to Ji Yuan about it, saying that finding a Dead Cave would be as easy as taking something from his hand.
And now, he had truly found a clue... In other places, they could usually dig up at most three and a half jin of Cold Iron Sand.
But here, they could casually dig up four jin.
For that reason, Qiu Qianhai had concluded with Stillness that an undiscovered Dead Cave had to be nearby.
Since it was a Dead Cave no one had discovered, Stillness meant that both its upper and lower ends must have collapsed and been sealed shut, its surface covered beneath a thick layer of mud and sand.
Ji Yuan and Qiu Qianhai had circled this area for two days, eliminating several more locations.
Now, only the last place remained.
After the two used their techniques to clear away three meters of