He had already warned Gu Jinmu; it could be considered the utmost benevolence. Even if he revealed his suspicions, others might think he simply wished to avoid taking risks.
Moreover.
Whether this situation was a danger or an opportunity was ultimately just Gu Sheng's speculation. If Gu Jinmu listened to his advice and refrained from entering the mountains, but others reaped abundant rewards later, it might even lead to conflict—something unnecessary.
Life and death are determined by fate, riches decided by heaven. Gu Sheng only needed to concern himself with his own choices. Even if Zhang Ze and others refused to heed his words, he wouldn't obstruct them.
Closing the courtyard gate, Gu Sheng focused on cultivating by himself.
All he needed now was to quietly wait for the arrival of the black market auction. Considering the earnings from the wild bear a few days ago, he could gather three hundred taels of silver before the auction, which should be enough to buy what he desired.