A robotic arm with a cold sheen stretched forward and picked up a dark green crystal ore from the sealed vessel. At the other end, a beam of cold light shot out of the laser, slicing at the ore with precise angles. Moments later, a perfect hexagonal crystal appeared on the mechanical arm. It shined with a green light, and when a blue ray of light shone on the crystal, the crystal shot out countless intersecting green rays of light in all directions, which covered the entire container and ...