Economy

Forestry

Age I

Woodcutting Technology

Double the rate at which Villagers chop down trees.

Costs
25
50
0:45

Survival Techniques

Age I

Hunting Technology

Increase Villagers' hunted meat gather rate by +15%.

Costs
25
75
0:25

Wheelbarrow

Age I

Villager Technology

Increase the carry capacity of Villagers by +5 and their movement speed by +15%.

Costs
50
150
1:30

Regional Inspection

Age I

Economic Upgrade

Supervision by Imperial Officials improved from 150% to 300%.

Costs
50
125
0:45
Unique to Zhu Xi's Legacy

Single Whip Reform

Age I

Economic Upgrade

Imperial Officials move 50% faster.

Costs
75
175
0:45
Unique to Zhu Xi's Legacy

Double Broadax

Age II

Wood Gathering Technology 1/3

Increase Villagers' gathering rate for Wood by 15%.

Costs
50
100
0:45

Extended Lines

Age II

Fishing Technology 1/2

Increase the gathering rate of Fishing Ships by +15% and carry capacity by +10.

Costs
75
175
0:30

Professional Scouts

Age II

Hunting Technology

Scouts gain the ability to carry animal carcasses and +100% damage against wild animals. Scouts move -35% slower while carrying and cannot pick up Boar.

Costs
100
275
1:15

Specialized Pick

Age II

Mining Technology 1/3

Increase Villagers' gathering rate for Gold and Stone by 15%.

Costs
50
100
0:45

Textiles

Age II

Villager Technology

Increase Villagers' health by +50%.

Costs
50
100
0:20

Horticulture

Age II

Food Gathering Technology 1/3

Increase Villagers' gathering rate for Food by 10%. Does not apply to hunted meat.

Costs
50
100
0:45

Drift Nets

Age III

Fishing Technology 2/2

Increase the gathering rate of Fishing Ships by +10%, carry capacity by +20 and move speed by +10%.

Costs
150
350
0:45

Lumber Preservation

Age III

Wood Gathering Technology 2/3

Increase Villagers' gathering rate for Wood by 15%.

Costs
100
250
1:00

Shaft Mining

Age III

Mining Technology 2/3

Increase Villagers' gathering rate for Gold and Stone by 15%.

Costs
100
250
1:00

Fertilization

Age III

Food Gathering Technology 2/3

Increase Villagers' gathering rate for Food by 10%. Does not apply to hunted meat.

Costs
100
250
1:00

Imperial Red Seals

Age III

Economic Upgrade

Imperial Official limit increased by +2. Grants an Imperial Official upon completion.

Costs
100
200
0:45
Unique to Zhu Xi's Legacy

Crosscut Saw

Age IV

Wood Gathering Technology 3/3

Increase Villagers' gathering rate for Wood by 15% and Wood gatherers carry capacity by +5.

Costs
250
500
1:15

Cupellation

Age IV

Mining Technology 3/3

Gold gatherers drop off 15% more resources.

Costs
250
500
1:15

Precision Cross-Breeding

Age IV

Food Gathering Technology 3/3

Increase Villagers' gathering rate for Food by 10%. Does not apply to hunted meat.

Costs
250
500
1:15

Advanced Administration

Age IV

Imperial Official Technology

Imperial Officials gain 150 health and their maximum Gold carried is increased by +80. Imperial Official limit increased by +2.

Costs
150
350
0:30
Unique to Zhu Xi's Legacy

Naval

Naval Arrowslits

Age II

Naval Technology

Add a defensive arrowslit to this Dock which only attacks ships.

Costs
75
125
0:30

Armored Hull

Age III

Naval Technology 1/2

Increase the health of all military ships by +20% and ranged armor by +1.

Costs
150
350
0:30

Extra Hammocks

Age III

Naval Technology

Increases the number of arrows fired by Archer Ships by +1.

Costs
100
250
0:30

Incendiaries

Age III

Naval Technology

Incendiary Ships gain +20% explosion range.

Costs
100
250
0:30

Springald Crews

Age III

Naval Technology

Springald Ships gain +1 range and attack 20% faster.

Costs
150
350
0:35

Explosives

Age IV

Naval Technology

Increase the damage of Incendiary Ships by +40%.

Costs
150
350
0:45

Heated Shot

Age IV

Naval Technology

Archer Ship arrows light enemy Ships on fire, dealing damage over time.

Costs
200
500
0:45

Shipwrights

Age IV

Naval Technology 2/2

Increase the health of all military ships by +20% and ranged armor by +1.

Costs
300
550
0:50

Swivel Cannon

Age IV

Naval Technology

Springald Ships gain an additional Cannon which fires in 360 degrees.

Costs
150
350
0:45

Thunderclap Bombs

Age IV

Naval Technology

Warships fire a Nest of Bees attack.

Costs
200
500
0:45

Defensive

Fortify Outpost

Age II

Defensive Emplacement

Add +1000 health and +5 fire armor to this Outpost.

Costs
100
0:30

Handcannon Slits

Age II

Weapon Emplacement

Add defensive handcannon slits to this structure and increases garrison arrow range by +1. Only one weapon emplacement can be added.

Costs
25
50
0:30

Boiling Oil

Age III

Defensive Technology

Towers and Keeps gain a boiling oil attack against nearby units that deals 30 damage.

Costs
500
200
1:30

Springald Emplacement

Age III

Weapon Emplacement

Add a defensive springald emplacement to this structure.

Costs
50
125
0:30

Court Architects

Age IV

Building Technology

Patronage of the finest builders increases all building health by +30%.

Costs
700
300
1:30

Cannon Emplacement

Age IV

Weapon Emplacement

Add a defensive cannon emplacement to this structure.

Costs
125
375
1:00

Religious

Herbal Medicine

Age III

Healing Technology

Increase the healing rate of religious units by +60%.

Costs
275
0:45

Piety

Age IV

Religious Technology

Increase the health of religious units by +40.

Costs
325
0:45

Tithe Barns

Age IV

Religious Technology

Relics placed in a Monastery provide an income of +40 Food, +40 Wood, and +10 Stone every minute.

Costs
500
1:00

Military

Fitted Leatherwork

Age II

Melee Armor Technology 1/3

Increase the melee armor of all non-siege units by +1.

Costs
50
125
1:00

Iron Undermesh

Age II

Ranged Armor Technology 1/3

Increase the ranged armor of all non-siege units by +1.

Costs
50
125
1:00

Steeled Arrow

Age II

Ranged Damage Technology 1/3

Increase the ranged damage of all arrows and bolts by +1.

Costs
50
125
1:00

Bloomery

Age II

Melee Damage Technology 1/3

Increase the melee damage of all non-siege units by +1.

Costs
50
125
1:00

Siege Engineering

Age II

Siege Unit Unlock

Melee and ranged infantry can construct Siege Towers and Battering Rams in the field.

Costs
50
125
0:30

Dali Horses

Age II

Cavalry Technology

Increase the attack speed of Cavalry units by +20%.

Costs
75
175
0:45
Unique to Zhu Xi's Legacy

Balanced Projectiles

Age III

Ranged Damage Technology 2/3

Increase the ranged damage of all arrows and bolts by +1.

Costs
100
250
1:00

Greased Axles

Age III

Siege Technology

Increase the movement speed of siege engines by +15%.

Costs
150
350
1:00

Insulated Helm

Age III

Melee Armor Technology 2/3

Increase the melee armor of all non-siege units by +1.

Costs
100
250
1:00

Wedge Rivets

Age III

Ranged Armor Technology 2/3

Increase the ranged armor of all non-siege units by +1.

Costs
100
250
1:00

Decarbonization

Age III

Melee Damage Technology 2/3

Increase the melee damage of all non-siege units by +1.

Costs
100
250
1:00

Military Academy

Age III

Production Technology

Increase the production speed of infantry, cavalry, siege, and transport units at buildings by 33%. Does not affect religious units or other support units.

Costs
100
250
1:00

Angled Surfaces

Age IV

Ranged Armor Technology 3/3

Increase the ranged armor of all non-siege units by +1.

Costs
150
350
1:00

Chemistry

Age IV

Gunpowder Technology

Advancements in alchemical research increase the bonus damage of all gunpowder siege weapons by +25%.

Costs
200
650
1:00

Master Smiths

Age IV

Melee Armor Technology 3/3

Increase the melee armor of all non-siege units by +1.

Costs
150
350
1:00

Platecutter Point

Age IV

Ranged Damage Technology 3/3

Increase the ranged damage of all arrows and bolts by +1.

Costs
150
350
1:00

Siege Works

Age IV

Siege Technology

New carpentry techniques increase the health of siege units by +20%.

Costs
300
600
1:30

Damascus Steel

Age IV

Melee Damage Technology 3/3

Increase the melee damage of all non-siege units by +1.

Costs
150
350
1:00

Elite Army Tactics

Age IV

Melee Infantry Technology

Training elite infantry leads to improved prowess in battle. Melee Infantry gain +15% damage and +15% health.

Costs
500
1000
1:30

Incendiary Arrows

Age IV

Ranged Technology

Flammable munitions grant non-gunpowder ranged units a siege arrow or bolt when attacking buildings and increase their damage by +20%.

Costs
500
1000
1:30

Cloud of Terror

Age IV

Siege Technology

Adds area of effect damage to Bombards.

Costs
300
700
0:30
Unique to Zhu Xi's Legacy

Roar of the Dragon

Age IV

Melee Infantry Technology

Spearmen and Horsemen gain a Fire Lance when charging.

Costs
300
700
0:30
Unique to Zhu Xi's Legacy

Units

Military Affairs Bureau

Age I

Military Upgrade

Imperial Officials can now supervise Keeps and Outposts to reduce damage taken by 35%.

Costs
100
250
0:45
Unique to Zhu Xi's Legacy

Bolt Magazines

Age III

Zhuge Nu Technology

More advanced magazines allow Zhuge Nu to fire piercing bolts with +0.5 range that deal +1 damage against Light Melee Infantry.

Costs
75
150
0:45
Unique to Zhu Xi's Legacy

Hard Cased Bombs

Age III

Grenadier Technology

Units receive +15% Ranged and Melee damage for 5 seconds when hit by a Grenade.

Costs
100
250
0:45
Unique to Zhu Xi's Legacy

Lightweight Beams

Age IV

Battering Ram Technology

Increase Battering Ram attack speed by +20% and reduce their field construction time by -50%.

Costs
300
400
1:00

Roller Shutter Triggers

Age IV

Springald Technology

Increases Springald attack speed by +25% and grants +10% Ranged Resistance.

Costs
150
350
1:00

Spyglass

Age IV

Scout Technology

Increase the sight radius of Scouts by 30%.

Costs
100
50
0:45

Geometry

Age IV

Trebuchet Technology

Increase damage of Trebuchets by +20%.

Costs
100
225
0:45

Biology

Age IV

Lancer Technology

Investing in natural sciences increases the health of all cavalry by +25%.

Costs
500
1000
1:30

10000 Bolts

Age IV

Crossbow Technology

Zhuge Nu and Crossbowmen fire an extra bolt. The additional bolt for Crossbowmen is 40% as effective as the previous bolt.

Costs
300
700
0:30
Unique to Zhu Xi's Legacy

Dynastic Protectors

Age IV

Lancer Technology

Allows production of unique cavalry units, the Imperial Guard, and the Yuan Raider.

Costs
300
700
0:30
Unique to Zhu Xi's Legacy

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