jkk
Warlord
I just discovered these, and now I know one reason why I've been doing badly. These, it seems, add two shields immune to corruption. Which means that captured cities with little productivity can produce improvements anyway, provided you can get the resisters overcome and the people quieted down. Even if they're slowing dying off, doesn't matter. So in a captured city with 20 population, so far from your capital that corruption reduces it to one shield, no problem. Put as many civil engineers as you can and watch it built happiness improvements and culture improvements.