A colossal robot towers against a stormy sky, its metallic frame gleaming with electric energy. As it prepares to unleash a massive energy beam, vibrant arcs of light dance around its limbs, illuminating the chaos below. The ground trembles, and debris swirls in a whirlwind of power. In the foreground, onlookers gaze in awe and fear, capturing the moment of impending cataclysm.