Sampler: Euler a, Euler, restart

Steps: 20~40

Hires upscaler: ESRGAN 4x or 4x-UltraSharp or 8x_NMKD-Superscale_150000_G

Hires upscale: 2+

Hires steps: 15+

Hires denoising strength: 0.05~0.5