Subjectively the best AIO workflow.
I did not create this workflow. I've made minor adjustments and tweaked settings. All credit goes to @Gladas for making such an awesome tool. If you want an update log, visit his page to view previous versions of the workflow.
I've tried multiple workflows and this one does what I want 99% of the time. This is the exact workflow I use to generate the images for the ArsDivina Merge, ArsXion models and includes all my settings.
Gladas Profile:
https://civitai.com/user/Gladas
Models used:
https://civitai.com/models/1585755/arsxionv1
https://civitai.com/models/1581944/ars-divina-and-ars-aeterna-merge