Pixel art, 16-bit retro style, colorful palette, fantasy setting, medieval castle, tall spires, grand halls, intricate stone walls, stained glass windows, lush greenery, vines crawling up walls, torches lighting the way, mysterious shadows, eerie ambiance, dramatic lighting, low-angle shot, cinematic composition, vibrant characters, brave knight, shining armor, sword in hand, determined expression, flowing cape, majestic horse, regal attire.