A mystical close-up portrait of a blue-skinned tiefling with striking celestial features, blending cosmic elegance with demonic allure. Her lush, sinuous horns curl gracefully from her head, echoing the intricate designs of a D&D tiefling. Her face reflects the mischievous, yet enigmatic charm typical of a demon anime girl, with glowing eyes that radiate otherworldly wisdom. Painted in the dynamic, vivid style akin to "Arcane," her expression is a captivating mix of strength and mystery, highlighting her unique blend of beauty and power. The portrait offers a mesmerizing glimpse into this fantastical character, whose essence captures the imagination.