A premium cinematic dark fantasy swamp, masterpiece quality, ultra-realistic, photorealistic CGI, an ancient swamp witch standing beside a massive iron cauldron suspended over a glowing fire deep within a forgotten marsh, both hands calmly holding a long wooden stirring staff resting inside the potion, thick enchanted mist covering the ground, twisted dead trees surrounding the clearing, hundreds of tiny glowing fireflies suspended in the humid air, hanging moss, shallow reflective water, mushrooms and ancient roots emerging from the swamp, mysterious green and blue magical atmosphere, dramatic volumetric lighting, highly detailed weathered clothing, cinematic composition with the cauldron dominating the foreground and the witch clearly silhouetted, vertical 9:16, ideal first frame for slow atmospheric five-second video
