Chương 1672: I’ll Use It for 300 Years (2)

Although the aura of this origin essence was restrained and it didn't seem easy to extract, the origin essence was the root of the upper star rings. It could even be said to be the core force within the entire upper star river.

It was also the key to the completion of the immortal embryo!

Such energy was extremely precious!

"Is this the reason why the Ink Yang Universe is listed as a strategic resource?"

Xu Qing prepared to study it properly later. After that, he retracted his gaze from the black hole and looked at the middle-aged cultivator who was staring at him.

"Get out of here."

Xu Qing said in a low voice.

The middle-aged cultivator was none other than Kunwu.

He looked at Xu Qing and his expression darkened as he calmly spoke.

"You're an ascendant from this batch?"

Xu Qing didn't say anything. He only calmly looked at Kunwu.