The Forgotten Eye Technique. The man's words were full of the bitterness and caution of a low-level cultivator, yet his tone was utterly sincere, as though he held nothing back from Song Wen.
But Song Wen did not believe him.
The man was merely belittling himself to win Song Wen's sympathy, so that Song Wen would not attack him without reason.
Song Wen was not one to slaughter the innocent. After giving a slight nod, he soared into the air and arrived above the riverbed.
He looked down at the vast, sprawling ancient riverbed, his brow knitting slightly.
Just as the man had said, divine sense could not probe the insides of the stones within the riverbed.
Thus, to find Immortal Stone fragments, or even Immortal Spirit Marrow, one had to break open the stones one by one. And one had to proceed with great care, lest the Immortal Stones or Immortal Spirit Marrow within be damaged.
Yet beneath the entire ancient riverbed lay countless buried stones. Digging them out and identifying them one by one—who knew how long that would take?
Song Wen could not help but suspect that even by the day the secret realm closed, he might fail to find even the slightest trace of Immortal Stone fragments or Immortal Spirit Marrow.
There were only two possible solutions.
Either he gathered manpower and employed a vast number of cultivators to help him search for treasure.
Or he used thunderous methods—for instance, fully activating the Blood Sea Seal, spreading it across the limits of Song Wen's current divine sense—five thousand li upstream and downstream—and driving it deep beneath the ancient riverbed to crush those stones one by one.
But both methods had their drawbacks.
As for the former, the number of cultivators who had entered the secret realm