It's very interesting. I'd really like to be able to zoom in more though
Kingdom Of Shendenflar Campaign Setting (WIP)
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Even if I am correct, I would still advise you to follow your heart. This whole Cartographers Guild thing, it seems to me, is more about passion and skill and learning new techniques than it is about definitions and rules.
The dominant texture seems off, as if it's 'flat' to the viewer rather than in the plane of the surface. The orange area is better, but still feels slightly misaligned, and seems kind of blurry, as do parts of the mountains.
Overall the colours and textures don't convey 'terrain' to me. I can see water, forest, and mountain, but the rest may as well be 'alien fungus' to me. I think you may have gotten ahead of yourself in applying textures and effects without considering what the map is representing and how you want to get that across to the reader. Or I'm just not getting it.
The contrast is a problem too. It's really hard to tell what is meant to be representing the same terrain, and what is not. I'd suggest you tone down the texture and the saturation. The water in particular has a lot of 'noise' to it with a lot of internal contrast, but contrasts very poorly with the forest.
Sorry if I sound overly critical.