C637 Refinement!

Bai Yu muttered in his heart as he increased his speed to get rid of Lei Yunfei.

Unfortunately, his strength was still not enough. Not long after, he was caught up by Lei Yunfei again.

Lei Yunfei stared at Bai Yu coldly, "You have already been locked onto by me. Don't even think about escaping. Just obediently follow me to the Thunder Holy Hall."

Bai Yu snorted and rushed into the void