My AIO (All In One) ComfyUI workflow for generating characters in high resolution with great face detalization. Workflow includes ControlNet, HiRes Fix and Face Detailing.
You can enable or disable some generating stages if you need.

Stage 0: ControlNet (Optional)
Stage 1: Image Generation
Stage 2: HiRes Fix
Stage 3: Face Detail

Workflow (.json) file destination: ComfyUI\user\default\workflows (or drag and drop to ComfyUI)
Output images: ComfyUI\output\EX