Adds a few harder enemies.
Mods introducing new content into the game.
Changes to enemies or entirely new enemies to deal with.
So, is there any use for artifacts when only bob-enemies enabled? Or I need install another bob's mods to use artifacts in crafting? (atm only recipes with artifacts it to make artifacts)
Mostly used by my warfare (and equipment) mods. Tech also turns them into science for the previously mentioned mods.
They're not really used outside of those mods (unless other people wrote mods that use them)