After 21 hours of playing, I'm giving up on this game. The content is too repetitive.
The map has plenty of different kinds of points of interest, but clearing them rarely gives you anything interesting. Just crap that you can trade for armor and weapons. Nothing unique or something that stands out. The world itself is very beautiful and the ruins look amazing. A couple of the logs I found were interesting.
There are some light RPG elements, but they didn't make enough difference to be interesting. The skill tree gives a couple of new abilities, but in general it's improvements on your existing abilities. There are some dialogue options, but they felt more like your attitude towards a situation and didn't feel like they had much impact.
The combat was the biggest disappointment. It was not as interesting as I expected it to be. Set some traps, shoot the weak spots. The enemies were not varied enough to make it fun.