Spartan soldier, Halo Reach armor, dynamic pose, holding assault rifle, rugged texture, battle-worn, versus, Spartan soldier, Halo 3 armor, standing firm, wielding energy sword, sleek design, sci-fi environment, futuristic battlefield, alien architecture, UNSC vehicles, Covenant forces, distant explosions, dramatic sky, intense battlefield lighting, action-packed scene, 3/4 view, high contrast, sharp focus, digital painting style, epic confrontation.