In Total War: Shogun 2 , Paper Mills are a specific building upgrade path for provinces with the specialty resource.
For a deeper look at managing province specializations and buildings like Paper Mills, check out this overview of the strategy mechanics: Shogun: Total War
: Doubles the amount of trade goods provided and significantly increases commerce wealth. In Total War: Shogun 2 , Paper Mills
: You must own a province that has the "Artisans" resource (e.g., Echizen or Kozuke ). Build the Artisan Chain : Construct the base Artisans building (1,350 koku). Build the Artisan Chain : Construct the base
Upgrade to (or the alternative, Fletchers, which focuses on bow accuracy). Benefits :
: While Fletchers are better for bow units, some players use the accuracy bonus from Paper Mill upgrades to buff Matchlock (gun) units later in the game.
: Provides a +5 accuracy bonus to all units recruited in the province. Strategic Use