Get it from the workshop. http://en.wikipedia.org/wiki/Nri_kingdom UU: Safe Haven: After researching Philosophy, Citizens from rival pre-modern Civilizations occasionally Migrate to your Cities. The frequency of migration increases if your empire is happy and at peace. UU: Mburichi (150 , req Currency): Can conduct a Trade Mission for 30 Influence and Gold. Can only be trained in the Capital. Trained 33% faster before the Renaissance Era. Obsolete with Economics. UB: Bronze Caster: Replaces forge. +2 +1 (+1 on iron and bronze). Can be built anywhere, but boosts military unit production only by 5%. Credits: - janboruta: graphics (except listed below) - Tomatekh: map - Irkalla: icon So whoTH are the Nri? A pacifist, religiously controlled nation that seemed interesting to have in the game. Things didn't work out as planned though, e.g. it was impossible to make the Mburichi a faith purchasable unit without granting it to every civ. So now it works exactly like the diplomatic units in the City State Diplomacy mod (fully compatible). Another failed experiment was making the Piety tree available at start. Got that working (a bit hacky though, so was not happy about it), but it turned out to be a bad idea: in combination with Nri's often poor jungle starts, taking it so early is shooting yourself in the foot [EDIT: funny how this is in BNW now, guess I was just playing poorly ]. Finally the UA is of course inspired by killmeplease's Emigration mod, though I made a nearly completely new implementation, as I wanted to keep the rules simple and focused only on the Nri: Base migration frequency is every 40 turns. This drops for each (major) civ you meet, down to 16 if you have met them all. If some of them are eliminated, turns will go up. There is a little randomness involved too. Your happiness reduces the turns by 25% if very happy (10+ ) and 50% if extremely happy (30+ ). If you are unhappy, turns are increased by 100%. Notice these are the opposites of the unhappiness levels used by the game. The source of the migration is evenly drawn based first on civ population, then (once the civ is chosen) on city food levels. The target of the migration is off course always the Nri. Cities with high food have the highest chance at receiving immigrants.