A stunning close-up of a female tiefling with a captivating demon face, her skin a deep cosmic blue adorned with intricate patterns reminiscent of a celestial night. Her lush, ornately twisted horns sweep back elegantly, framing her striking features. The character embodies a blend of mysticism and strength, with vibrant, otherworldly eyes that glow with enigmatic allure. Her expression is both fierce and enchanting, capturing the essence of a demon-girl from a legendary realm. Painted in a style reminiscent of Arcane, the portrait blends anime influences with rich painterly textures, highlighting the duality and grace of this cosmic tiefling inspired by Dungeons & Dragons lore.