For a deeper look at managing province specializations and buildings like Paper Mills, check out this overview of the strategy mechanics:

: For the Ikko-Ikki clan, upgrading the Artisan in Echizen to Paper Mills is a standard opening move to secure early profit.

: Provides a +5 accuracy bonus to all units recruited in the province. Strategic Use

Upgrade to (or the alternative, Fletchers, which focuses on bow accuracy). Benefits :

In Total War: Shogun 2 , Paper Mills are a specific building upgrade path for provinces with the specialty resource.

: Build Paper Mills in provinces that are far from the front lines where you don't need high-tier ranged units, focusing purely on boosting your economy.

: Doubles the amount of trade goods provided and significantly increases commerce wealth.

: 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).