A captivating digital painting of a tiefling female warlock with elegant horns and a flowing crimson cape. She stands poised, embodying both grace and power, her eyes glowing with arcane energy. The portrait features delicate yet striking features—a melding of demonic allure and otherworldly beauty. Imagine a creation inspired by the imaginative minds of Alena Aenami and Artgerm, infused with dark fantasy style reminiscent of Mohrbacher and Guillem H. Pongiluppi. Her obsidian locks cascade down her shoulders, contrasting sharply with her ethereal complexion. The background, a swirling nebula of shadows and muted colors, enhances the mystique of this enigmatic character.