With a "click" sound, the mecha, which had accelerated after a sudden change of direction, noticeably slowed down. Its leg movements appeared very strange; the mechanical leg used for support just now had become stiff. A smug smile appeared on Fatty's face, while the researchers in the core lab fell silent. There was no need to say it; the defect Fatty predicted had already become a reality! And it was just a sharp sudden stop and change of direction. Although this mecha was a few tons heavier than the theoretical design weight, that could not be an excuse!