The second part if my study project in environmental design. (first one: https://www.artstation.com/artwork/orwGO ) I did it for collaboration with game graphics students, as the concept art for the game level. You can see some of it used in my friends Elena diploma project: https://www.artstation.com/artwork/mro3a
The main idea of this place is how the local folk can take advantage of the situation. It's a lot of sky metal is scattered around, so they started to harvest it and melt into ingots. To sell, of course. But before putting it to the furnace, local Wiseman was conducting a ritual to banish all the imps that live in the metal.