Suggested Setting:-
Positive prompt: score_9, score_8_up, score_7_up,
Negative prompt: score_4, score_5, score_6,
sampler method: DPM++SDE or Euler A
use with : https://tensor.art/models/732459969129045001/Pony-lights-and-Shadow-Details-v1 lora make image more detailed
For Turbo :-
steps: 6 to10
sampler method: DPM++SDE