Gangs of ten or more fighters may use the pillage
command to seize
loot from a province or a city. Pillaging yields 1/3 of the tax base
for a location, and destroys another third. For example, a location
with a tax base of 300 gold would yield 100 gold to a pillager, and be
left with 100 gold (100 was destroyed by the act of pillaging).
Pillaging has a harmful effect on the future tax revenue of the location. The more a location has been pillaged, the lower its tax base. Provinces and cities take as many months to recover as they have been pillaged. For example, a city which was pillaged for five months in a row would take five months to return to its normal tax base.
Pillagers must first defeat any units guarding the province, including any province garrisons.