C688 Breakthrough after Breakthrough

In the cave.

Lu Yu was floating in the air, sitting cross-legged with a solemn expression on his face.

Behind him, strange runes filled the light wheel. Every time the light wheel rotated, Lu Yu's aura would increase.

When the light wheel was about to reach its end, Lu Yu suddenly opened his eyes.

In his pupils, one was red and scary, while the other was glowing with a dazzling golden light