Hei Lou Lan grew even more excited and hurriedly replied, "Rest assured, Auntie. I've already gone deep into the water pool and started digging underground!"
High in the sky, Fairy Lishan suddenly spat out a mouthful of blood. This was the backlash of the alliance agreement, but it was still within the limits she could bear.
She casually wiped away the bloodstain and continued secretly sending Hei Lou Lan a message: "Good. I'll scout for you from high above. Sneak over quietly, and be careful not to let the other Gu Immortals discover you. Especially that fellow Fang Yuan. He is deeply scheming and adept at plots; even Pi Shuihan was toyed with in the palm of his hand. The Snow Mountain Alliance we made with him is nearing its expiration. You must be especially wary of him."
"Of course!" Hei Lou Lan swiftly replied.
Fang Yuan descended with a thunderous crash above the azure pool. His body stirred up a gale, sending ripples rolling across the water's surface.
Fang Yuan possessed memories of his previous life. Although he lacked a Reconnaissance Immortal Gu, his mortal-path scouting methods were an entire era ahead of the surrounding Gu Immortals. After sweeping his gaze around, he immediately investigated and confirmed that aside from the pool water, there was nothing else in its depths.
"So it's oil water." He frowned almost imperceptibly.
Oil water was naturally no ordinary water, but a resource found only in the depths of the sea. As a Gu refinement material, it was very common in the Eastern Sea. In places such as Northern Plains and Western Desert, however, it was rather precious.
Small-scale oil water trades were almost impossible to find in Yellow Treasure Heaven. The profits were too low, while the fees Yellow Treasure Heaven extracted were