@pixelb I'm not talking about PBR! Strictly Diffuse-only, no PBR, PBR sucks! That was just a stupid experiment for some reason, don't think about it! Sorry for the confusion. Striiiictly handpainted stuff.
If you want make everything handpainted you should add more highlights, maybe in this way? Note, that highlight here is almost white: You should also check this tutorial about paining gold. https://foervraengd.deviantart.com/art/Tutorial-Painting-Gold-490209106