阶梯倍投最科学的方法

简介：Not only is it difficult, it is simply not made by humans. Think about it, how hard are the materials needed to forge diamond-level weapons? What kind of temperature is required to melt those materials? How high will the temperature be in that environment? What is a person who can survive in that kind of environment other than a freak? Niu Bian said with a scared look on his face.