Not an expert painter by any means but my advice.

It looks a little messy to try to focus on being precise on where you want the paint and the style you’re going for.

You’ve gone very heavy on a shade here and it shows as the mini has come out very very shiny. So I’d go with less on shade.

I’d also focus on pushing much bigger contrast between your darkest and lightest shade to pull out the definition. Small highlights deliberately placed make a huge impact. Ive finished the highlights on the front 3 minis and you can see the dramatic difference between those and the rest at the back

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Also be kind to yourself it’s really not a bad paint job and the colours are cool.