AoE IV Tech Tree
Civilizations
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Landmarks
Military
Support
Economic
I
Dark Age
Jiangnan Tower
Meditation Gardens
Barracks
Spearman
Town Center
Imperial Official
Scout
Villager
Lumber Camp
Forestry
Mill
Survival Techniques
Wheelbarrow
Mining Camp
Dock
Granary
Survival Techniques
Wheelbarrow
Outpost
Pagoda
II
Feudal Age
Mount Lu Academy
Shaolin Monastery
Hardened Spearman
Early Palace Guard
Archery Range
Zhuge Nu
Stable
Horseman
Blacksmith
Bloomery
Dali Horses
Fitted Leatherwork
Iron Undermesh
Siege Engineering
Steeled Arrow
Textiles
Double Broadax
Horticulture
Professional Scouts
Specialized Pick
Market
Trader
Explosive Junk
Fishing Boat
Junk
Trade Ship
Transport Ship
Extended Lines
Naval Arrowslits
Horticulture
Professional Scouts
Fortify Outpost
Handcannon Slits
III
Castle Age
Temple of the Sun
Zhu Xi's Library
Veteran Spearman
Palace Guard
Veteran Zhuge Nu
Crossbowman
Early Grenadier
Bolt Magazines
Hard Cased Bombs
Veteran Horseman
Lancer
Siege Workshop
Counterweight Trebuchet
Nest of Bees
Springald
Greased Axles
Keep
Boiling Oil
Springald Emplacement
Decarbonization
Insulated Helm
Wedge Rivets
Balanced Projectiles
Military Academy
Monastery
Monk
Herbal Medicine
Lumber Preservation
Fertilization
Shaft Mining
War Junk
Drift Nets
Armored Hull
Extra Hammocks
Incendiaries
Springald Crews
Fertilization
Shaolin Monk
IV
Imperial Age
Enclave of the Emperor
Elite Spearman
Elite Palace Guard
Elite Zhuge Nu
Elite Crossbowman
Grenadier
Elite Horseman
Elite Lancer
Imperial Guard
Yuan Raider
Spyglass
Bombard
Additional Barrels
Geometry
Lightweight Beams
Roller Shutter Triggers
Cannon Emplacement
Damascus Steel
Master Smiths
Angled Surfaces
Platecutter Point
University
Biology
Chemistry
Court Architects
Elite Army Tactics
Incendiary Arrows
Siege Works
Piety
Tithe Barns
Crosscut Saw
Precision Cross-Breeding
Cupellation
Baochuan
Explosives
Heated Shot
Shipwrights
Swivel Cannon
Thunderclap Bombs
Precision Cross-Breeding