female character, Etna-inspired, anime style, demoness, red eyes, sharp gaze, long silver hair, ponytail, small horns, mischievous smile, revealing black and red outfit, bat-like wings, slender figure, confident pose, standing, volcanic landscape, fiery background, magma, ash-filled sky, dramatic lighting, high contrast, dynamic angle, full body shot, action stance, detailed texture, glossy material, fantasy setting, vibrant colors, sharp details.