A mystical sorceress with flowing black hair stands boldly before a towering demon, her presence both commanding and enigmatic; her form shimmers as though crafted from dark flames, casting an entrancing glow in the dim surroundings. This epic fantasy scene is reminiscent of a legendary card game art, offering a side portrait of a mysterious dark witch enveloped in swirling shadows, the atmosphere alive with dynamic lightning, capturing the essence of an ultra-high-definition 4k masterpiece.