awesome! thx
In a current game I have capac and mansa as vassals, both are fairly small but teching well.
I'm going to switch to an Espionage Economy so I can concentrate on domination and just steal techs off them cheaply.
I figure stealing from (capitulated) vassals has a few advantages over non-vassals:
- you can direct their research, beeline if necessary, then steal it.
- you'll always have open borders regardless of how much they hate you. OB severely reduces the risk of spies being caught and also lowers mission costs by 20%.
- they cannot declare on you.
This actually has some pretty good implications. It means the -modifiers for your spies being caught in their territory mean nothing. With two reasonably tech-decent vassals you can direct them on different techs, steal the most expensive from vassal 1, trade it to vassal 2 for their tech, then trade the two techs to anyone else to get stuff you may be missing.
Using this method along with maybe 10+ cities and some sensible vassal beelining, I think it could be possible to keep up with the AI's with little more than the espionage buildings (44 EP per city.) This allows you to focus the rest of your economy on hammers for domination and gold for upgrades and/or rushbuy.
edit: I realized a downside of this will be that when you go to war, so do they. Meaning they will focus less on research and more on building units. So it still pays to have at least 1 decent non-vassal AI to steal cheaply off.