The protagonist who seemed like a transmigrator was no longer within Gu Shanhai's considerations. However, since the other party wasn't brought into the Chengyun Sect, it was likely they too had knowledge of tribulations, which is why he had let it be.
He had thought about intervening, but that was all—there had been no action.
Based on his guess, there was a ninety-nine percent probability that Yan Du's investigation would end in failure.
"Thirty-Six Transformations has already completed the first transformation. Now it's time to find someone to test it," Gu Shanhai murmured softly.
With the Seventy-Two Transformations as a foundation, the completion speed of the first transformation of the Thirty-Six Transformations required for the Upper Three Realms was much faster than Gu Shanhai had anticipated.