So, I really don't like to mod, however, with the new expansion I dislike the way Stardock decided to go with artifacts where some are able to be used over and over again and others aren't. I was looking for the .xml document that contains this information. I'm unable to locate them with the rest of the improvements in the ImprovementDefs.xml and they don't seem to have any line item for this in ArtifactPowerDefs.xml.
This way I can see if I can make it so the ones that you can't repeat repeat, and potentially even increase the cost of each upgrade so it would be a soft cap instead of a hard cap making the artifact virtually useless other than adjacency. All in all I like the direction it went just trying to better my game play experience.
Originally when I thought this was a bug I posted it in bug reports, and was told that it's suppose to be this way, then I asked if they were to be modded, which Stardock did not reply my inquiry. Any help would be appreciated.