C377 Refining blood essence

Deep in the Truss Mountains.

Currently, Tang Feng was seated cross-legged within an extremely remote and quiet valley. However, his eyes that had been opened revealed a grave expression at this time, and after a long while, he slowly exhaled a breath of air before faintly closing his eyes.

"You really decided to do that?"

However, when he said these words, Tang Feng's voice trembled a little