official art, unity 8k wallpaper, ultra detailed, aesthetically pleasing, High quality, masterpiece, best quality, looking above, (1girl), (school uniform), (a girl looks out to see a giant mechanical demon facing her), (in a city that has become ruins), black hair, holding sword, lycoris flower, ready for battle, fight to the death, (red, black), darkness, red sky, demon, (red, black), abyssal, complicated background,

(worst quality:2), (low quality:2), (normal quality:2), lowres, bad anatomy, (monochrome), (grayscale), (text, font, logo, copyright, watermark), easynegative