Anima version:

weight between [0.8,1], best at 1

trigger word : dark_synth_style

Illustrious version:

weight between [0.8,1], best at 1

trigger word : dark_synth_style, portrait

ZImageTurbo version:

weight between [0.8,1], best at 0.8

trigger word : dark_synth_style

Flux version:

weight between [0.8,1.2], best at 1

trigger word : dark_synth_style

Chroma version:

weight between [0.8,1.2], best at 1

trigger word : dark_synth_style