Fitted Leatherwork

II

Melee Armor Technology 1/3

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

210

Iron Undermesh

II

Ranged Armor Technology 1/3

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

210

Siege Engineering

II

Siege Unit Unlock

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

105

Insulated Helm

III

Melee Armor Technology 2/3

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

300

Military Academy

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.

300

Wedge Rivets

III

Ranged Armor Technology 2/3

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

300

Forced March

III

Infantry Ability Unlock

[特有] Infantry units gain the Forced March ability. When activated, infantry move +100% faster for 10 seconds, but breaks when dealing damage.

225

Angled Surfaces

IV

Ranged Armor Technology 3/3

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

720

Chemistry

IV

Gunpowder Technology

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

720

Master Smiths

IV

Melee Armor Technology 3/3

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

720

Zeal

IV

Religious Technology

[特有] Units healed by Scholars gain +50% attack speed for 3 seconds.

1080