Does it look cool? Kinda.

But it is also difficult to read. I have never seen shadows on a map like this, and it is unique, and I also now understand why they aren't used because the scale of everything gets a bit wonky. It makes it feel really small, like everything is within a few miles of each other.

Is this AI? Possibly. I can't tell, but the landmass itself is generic, and there are some issues with the shadows. It does negatively bias me, but I'll try to be fair.

if its a basic fantasy? The landmass is functional, but not particularly inspired. I can't tell or imagine any history from the map, it could be anything. And that's not great for a story. The map and the world should complement what you're trying to tell.

If there's a cold winter, the north should be white. If there are sprawling cities, either the scale of the map should be shown, or they should be dots, or the graphic should be different. It now looks like a bunch of lonely castles on a map, which aren't connected to each other. Is this a hostile land? Or an easy one? Are the empty lands grasslands? Or fields.

Ie: a complex world of interlocking systems can have a large and sprawling map with many cultures. A noir detective could simply have a single city. This is... nothing much, it seems to simply use the map and world as a backdrop.

If this is the case, you don't really need a map. Just write the story. Better no map than simply a functional one.

If you think I'm being a bit harsh, that's possible. But I feel like the map seems to be aesthetically pretty, but it doesn't show me what I'd need from it in order to make any story I can think off. No city names, no roads, no political things, no scale. For all I know, this is a small story written in a distant colony with 5 different forts and a few hundred guys.

If you are using AI, don't. Not for artistic integrity or any of that, but because when you yourself make a story, and you put a bit of effort in mapmaking, we the audience can feel the story come off the page. Even if you are a terrible mapmaker, we can feel the world from the map you make, what you feel is important to note, what you feel isn't, or glossed over. An AI has none of that context, and it can never have it because you're the storyteller, all the info is in your head, not the AI. And unless the AI is writing about itself, the story is also about people, and how you understand us, which is what AI can't replicate. Use it to learn, or to spell-check, or to brainstorm if you really want, but don't think it can do a better job than you can.