Best quality 8K resolution, Highly detailed, Digital Painting

Best quality 8K resolution, Highly detailed, Digital Painting, Concept art, of the highest quality, One, beautiful, 1 man, adult man, with a sporty body, V-shaped body, black detailed armor with glowing purple details, black demonic horns, with large and long dragon wings, short hair, black hair, purple with red tones reptile eyes, a man has a huge and long katana in his hand, Against the background of war

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits