Try size: 1024 x 1024 or other
Weights: 0.9
Clip skip: 2
Pictures from Illustrious-XL SmoothFT-SOLID
Note: The tattoo on the back is not very similar, so it is not recommended to generate pictures. If he is full body, it is recommended to use "ADetailer" to redraw eyes. Please try to choose a base model that can enhance the details, otherwise the flames on the body will be reduced.