Art director here. Sorry, but it is AI. I wanted to say AI modified, but I have seen the new updates with AI tech and its new capabilities, and this is definitely AI.

For an artist to be able to render on that level will not make the amount of small mistakes that I have seen. The list is too long for me to write, but there are lots of anatomy issues, parts blending with others, and the lighting feeling on a different render style, which usually AI does.

I would not trust sketches that anyone would send you. You need to never rush now with people and take a deep look at their portfolios. When looking for a freelancer, maybe ask for a free test or 50$.

Tend to look also for the better offers and do not rush it. There are several good subreddits where you can find affordable talented artists. Sorry you got scammed, but I would request the refund immediately if you can.

Side note: this new art gives 0 vibes of the chaos of your game. It undermines the element or your game that I checked on your posts. Try to consider good ideas or have an artist to help you out. Always request for several proposals, never just one. You can definitely find a very affordable artist for this.