Recommended strength: ~0.75-0.80

Prompt:

Skeleton, Skeleton body, police cap, the skeleton of the forearm under the sleeve, white gloves, chains on the hands, Fire around the head, Fire on the head, sunglasses,

If you want NSFW content, then you better just do it:

(white bone body:1.4) 

Otherwise, it will just look strange or it will work poorly with some Prompt.