After some experimentation with merging different models together, I've got a decent result on a few. The idea for these checkpoint merges was to work good with the Loras I've trained and was going to train.

The merge should output good results for both characters and landscapes. I see the style as a semi-realistic, but leaning more towards the anime side. Experiment.

Hires. fix is recommended (the higher the better, 2 times is best, but VRAM is hard to come by, I feel your pain...)

If you (more like your GPU) are struggling with upscaling with Hires. fix, as an alternative I can recommend Ultimate SD upscale.

ADetailer. It should be used if you want a character's face to be detailed and not funky-looking. It could also be used to add a certain face to a character (by placing the Lora of said face in the ADetailer's prompt).

What I use as parameters for generating:

1. DPM++ 2M Karras (Euler a and SDM work too, but 2M is the most consistent)

2. 4x-UltraSharp as the Upscaler (others work fine, too, use whichever you prefer)

3. Sampling Steps are anywhere between 25 and 30

4. Hires steps are 15

5. CFG anywhere from 7 to 10