A mystical sorceress with cascading, swirling raven hair standing before a menacing demon; her form shimmering as if crafted from ethereal black flames. This piece of epic fantasy art captures her enigmatic side profile, casting an aura of dark allure. The scene is electrified by dynamic lighting, reminiscent of a powerful fantasy card game, rendered in UHD 4k resolution, showcasing intricate details and a captivating atmosphere.