I used these settings:
sampler: DPM++ 2M Karras;
cfg: 4.0;
steps: 25.
Huge thanks to @LunarSunlite13 for the advice and generous donation for future experiments!
Alexis_Flower_Illustrious_-_Style_Lora.safetensors
Same model published on other platforms. May have additional downloads or version variants.