AI graphics are a tool, after all. If you blindly order it to do a task and your creativity is limited only to changing the seed, it is not a good option. If only because on the next illustration your hero will be completely different. You should try to work out the details you need a little bit with the help of additional functions. Collect your own small set of faces of one character. This will help you when using different controllers to prescribe it to the desired scene. Also, it will be almost authorial, because if you only refer to the description of the part in your queries and not the author or authorial style, that element is likely to be a mixed bag. It's best to take anonymized photos and convert them with AI filters into a drawing. There are many such add-ons on civitai. It's limited to stable diffusion, but makes you feel less dependent.