C644 Tempering!

"It really is powerful!"

"My Primordial Spirit has actually been tempered to become even more solid."

Bai Yu opened his eyes, and his eyes were filled with excitement.

His eyes flashed with light.

"Thunder Dragon!"

"You want to hurt me with such an attack?"

The corner of Lei Yunfei's mouth curled up into a cold smile.

Then, his Primordial Spirit expanded in all directions