C630 An Unprecedented Battle Mode.

Hsu Yuvran's half of the flying sword had always been called the Super Grade Flying Sword.

The main reason was that the material of the flying sword was something he had never heard of before in Earth Star.

The result of the test was only one, metal.

As for what kind of metal or alloy it was?

Sorry, the equipment on Earth Star could only give him the answer of metal