A hyper-realistic portrait of a dog in an alert pose, embodying a striking cyberpunk aesthetic. The dog is adorned with a bionic helmet and wears a gleaming Iron Man-inspired armor, featuring golden tones with chrome plating. The scene is illuminated by vivid red and yellow contrast lighting, highlighting the intricate details of the armor in an ultra-realistic, high-definition, octane-render style. The setting evokes a futuristic realm with a hint of fantasy, showcasing a beautifully designed canine with the spirit of an armored guardian. This 8k image captures the essence of both realism and creativity, presenting a majestic blend of technology and nature while steering clear of visual distractions and imperfections.