Also
Having said that, with that many home planets, why are you not just bum rushing the AI?, you should have enough K just from your home planets.
D.
I usually play with core shields turned on, so that I can't just do that.
Also, I like the Fallen Spire campaign so I usually play that out to the end.
My goal has been to push the AI to be as angry at me as possible, so I'm working my way up the difficulty levels with many of the side plots and multiple homeworlds. Seeing dozens of HKs and a nearly 100 golems coming at me is not that uncommon in the end game.