Sci-fi scene, Mass Effect, Commander Shepard in action pose, N7 armor with scratches, firing M-8 Avenger rifle, intense expression, Reaper in background, exploding spaceship, Insanity difficulty level, high-tech HUD, alien planet landscape, red and blue biotic effects, squad members in cover, dynamic lighting, over-the-shoulder shot, high contrast, detailed textures, epic battle composition, fire and smoke effects, dramatic sky, advanced alien architecture, cinematic depth of field.