C273 Good and Evil Always Pay for Good and Evil

Tang Fei naturally agreed with Lin Mu's words. However, energy crystals were very rare. He had not heard of anyone discovering so many things. All of them were collected in a piecemeal manner.

"Where did you find this energy crystal before?"

Lin Mu pondered for a moment and then asked Tang Fei.

"It was in a small country in Europe. At that time