A vivid portrait captures a captivating demon girl with striking azure skin, featuring ornately curled horns that echo the elegance of a fantasy cosmos. Her face, a mesmerizing blend of ethereal beauty and demonic allure, is accentuated by intense, otherworldly eyes and delicate facial markings that shimmer like constellations. The scene is painted in a style reminiscent of a mystical anime, with rich, flowing hair cascading around her horns like strands of midnight. This cosmic tiefling, inspired by the worlds of D&D, stands as a stunning embodiment of both mystery and power, her expression both enigmatic and inviting, inviting you into her arcane realm.