A close-up portrait of a blue-skinned female tiefling with majestic, lush horns curving elegantly from her head, her features embodying a captivating blend of demonic allure and cosmic mystique. Her eyes glimmer with an ethereal glow, set against the backdrop of a galaxy-like void. Her visage captures both the strength and enigma of a demon girl, her expression confident yet enigmatic. Styled in the expressive, vibrant manner reminiscent of arcane artistry, her countenance reflects elements of anime influence, emphasizing her otherworldly presence. The horns, reminiscent of an oni, frame a face that is both fierce and beguiling, embodying the essence of a D&D tiefling with a distinct touch of cosmic fantasy.