C423 Top tier Rogue Immortal's Tribulation.

"However, if this continues, I'm afraid that I won't be able to refine it even after dozens of years." Chen Feng said.

The heavenly thunder nodded: "Yes, but what else can we do?"

Suddenly, the heavenly thunder's eyes lit up, and said: "Just now you wanted a burst of soul force to rush out of your body, that was why your heart calmed down, and made it convenient for you to refine