I completely agree. Have you tried out the new Midjourney v4? It's completely blown my mind when it comes to game art generation. MJ v4 is to Stable Diffusion as Stable Diffusion is to me drawing art by hand :)
[0]: https://github.com/invoke-ai/InvokeAI
[1]: https://huggingface.co/justinpinkney/pokemon-stable-diffusio...