A hyperrealistic, highly detailed portrait of Doctor Strange with cinematic lighting captures his stoic expression. The scene is rendered in 8k quality, emphasizing the intricate textures of his costume and the subtle play of shadows on his face. Behind him, a swirling, vibrant portal adds an element of mystique, its colors casting an otherworldly glow across the scene. The background is slightly blurred, enhancing the focus on Doctor Strange's enigmatic presence. The entire composition has a surreal, yet lifelike quality, as if crafted meticulously in a cutting-edge digital engine, enhanced by creative, ethereal light effects.