C1127 Sudden phenomenon

On the bank of the dark river.

Before Xiong Yu went onto the boat to save Xiong Er and Wan Cilang, the words that he said were shockingly in Sun Yunchang's ears: "Under the few rocks that I had previously moved, there was a pitch-black thing seeping out. If I guessed wrongly, there must be some kind of oil field that no one knew about hidden in this area, and where there is oil