armor aura biomechanical christmas city cityscape destruction disintegration extra_faces getter_robo getter_robo_arc getter_saint_dragon glowing glowing_eyes green_light green_sky highres mecha multiple_faces no_humans red_armor robot ruins science_fiction sharp_teeth shin_getter_robo super_robot teeth yamanushi yellow_eyes  absurdres getter_robo getter_robo_arc getter_saint_dragon glowing glowing_eyes green_background highres horns mecha monster motion_blur motion_lines nagai_(pixiv50195132) no_humans shin_getter_robo solo spikes upper_body yellow_eyes