Chương 4020: Space upgrade (3)

Laura and the others also agreed. They also knew that they couldn't just do research like this. Although they could do computer simulation experiments, experiments were still experiments. They couldn't see the real situation. The final results would only be known on the battlefield.

After that, Zhao Hai walked out of the mansion and went to the hundred Spirit Tree. He said in a deep voice, " "Housekeeper, give me the space law crystal." &Quot; yes, " the Butler replied. The next moment, a crystal appeared in front of Zhao Hai. Zhao Hai was stunned when he saw the crystal. He had not expected it to be so big.

The crystal was the size of a basketball. It looked like a piece of art that had been carefully cut. It was very beautiful. There seemed to be an independent space inside the crystal. Due to the angle of the cut, the space inside the crystal seemed very large to Zhao Hai.