blood angels captain wielding a massive chainsaw sword, ornate centurion helmet, imposing armor, intricately detailed digital painting, Warhammer 40k universe, inspired by raymond swanland and tomasz alen kopera, rendered in unreal engine 5, exquisite and dramatic lighting, incredibly detailed, cinematic composition, octane render quality, very coherent and polished, cinematic presentation, 8k resolution, prominent on artstation side profile, rich detail in facial features, avoid disproportionate or deformed anatomy, graceful proportions, focus on realistic representation, no cartoonish elements, refined digital artwork, no signatures or text, clean and professional finish.