C579 At Long Last the Cang River Bridge

"Googoo..." Wu Feng's mouth cracked into a satisfied smile as he pulled out the Origin Energy Crystal Core from the body of the red mutated frog.

"Very good!"

"It's the third one now!"

"As long as I obtain two more, I will be able to advance to B class in no time!" As Wu Feng muttered to himself, he put the shining elemental crystal core away as well