Industry

Industry () is a FIDSI resource used by cities to carry out the production of units, city improvements, and regional improvements.

Generation

City population

Source	per	Unlock
Base	4	-
Canal Lock	+5	City improvement (Era II). One per empire.
Production Line	+3	City improvement (Era IV)
Imperial News Network	+2 on happy	City improvement (Era V)
Industrial Efficiency 1/2/3	+1/+2/+3	Hero capacity (Wild Walker)
Slavery	+1 per pacified village	Hero capacity (Necrophage)
Impassioned Preacher 1/2/3	+1/+2/+3	Hero skill (Cultist)
Tome - Adamantian	+1/+2/+3	Accessory

Without Canal Lock, the maximum is 9 per with improvements only and becomes 15 per with governor.

Tiles

Source		Tile type	Unlock
Lumber Mill	1	Forest	City improvement (Era II)
Apprenticeship Registry	1	Exploitation	City improvement (Era II)
Canal System	1	Land tile with industry* (summer)	City improvement (Era II)
Automated Production	3	Land tile with industry*	City improvement (Era IV)
Advanced Quarry	50	Strategic resource tile	City improvement (Era V). One per empire.
Cargo Dock	5	Lake or Sea	Exploitation (Era III)
Science and Industry Tier 4	2	District	Empire Plan (Era IV)
Winter Borough	2 per district level	All tiles	Altar of Auriga (3rd winter)
Industrial Megapole	25 per district level	Single tile	Legendary Deed (Era II)

* Tiles with own industry production, including from city boroughs, but not Empire Plan

Improvements

Building cost reduction

• +33% from the level 2 Science and Industry Empire Plan.
• +12%/+24% from Behemoth Tamer (Wild Walkers hero skill).
• +5% per pacified Urces village in provinces (up to 30%).
• +25% from Wild Walkers quest.

Unit cost reduction

• +12%/+24% from Slave Driver (Necrophages hero skill).
• +10%/+25% for naval units from Ship Builder (Morgawr hero skill).

Additive modifiers

Source	Modifier	Unlock
Mill Foundry	+6	City improvement (Era I)
Natural Resources 1/2/3	+6/+12/+22	Hero skill (Wild Walker)
Industry Boost 1/2/3	+1/+4/+12 per hero level	Hero capacity (Wild Walker)

Additive modifiers are applied to the base production before multiplicative modifiers.

Multiplicative modifiers

Source	Modifier	Unlock
Mill Foundry	+15%	City improvement (Era I)
Endless Alloy	+100%	Research (Era VI)
Inspirational Leader 1/2/3	+5%/+10%/+20%	Hero skill (common)
Natural Architect 1/2/3	+15%/+30%/45%	Hero skill (Wild Walker)
Industry Boost 1/2/3	+1% per hero level	Hero capacity (Wild Walker)
Titan Bone	+50%	Luxury resource booster (Era III)
Dust Orchid	+20%	Luxury resource booster (Era IV)
Approval	-50%/-20%/+15%/+30%	See cities page

Multiplicative modifiers are applied to the sum of tile production, worker, and additive modifiers.