After fiddling with settings for several days, I think I found something that works as well as Chroma is capable of without getting into the workflow black arts.
It's a slow workflow because Chroma is slow. However, it can give really good results.
Designed to work with 16GB of VRAM. May work with less.
Includes Ultimate SD Upscale and FaceDetailer with optional toggles to turn it on and off.
Suggested Settings for V2:
CFG: 1
Steps: 20
Sampler: DEIS_2M
Scheduler: Beta57
Description
This workflow is now designed to work with Chroma-Flash-Heun Rank 128 and Lenovo UltraReal.
DEIS_2m/Beta57 combo is giving good results and it's what I would suggest sticking with for realism.
Also added manual FaceDetailer logic, since the ImpactPack FaceDetailer didn't allow Beta57 scheduler.