A close-up portrait of a female tiefling with vibrant blue skin and intricate oni-like horns, exuding an ethereal and cosmic aura. Her demon face blends anime elegance with D&D mystique, featuring luminous eyes and a subtle mischievous expression. The lush, spiraled horns frame her face, adorned with delicate cosmic patterns that shimmer gently. Her hair, a deep indigo, flows gracefully, contrasting with the celestial starscape in the background. The image is painted in a style reminiscent of "Arcane," with meticulous attention to detail and a captivating fusion of fantasy and realism. An enigmatic tiefling in a mesmerizing fusion of celestial and demon elements.