AoE IV Tech Tree
Civilizations
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Landmarks
Military
Support
Economic
I
Dark Age
Flower Pagoda
Great Pasture
Barracks
Spearman
Lumber Camp
Forestry
Mill
Wheelbarrow
Mohe Ancestry
Mining Camp
Dock
Fishing Boat
Outpost
II
Feudal Age
Dragon Pavilion
Mountain Hall
Hardened Spearman
Machine Workshop
Battering Ram
Bed Crossbow
Lightweight Frames
War Stable
Horseman
Iron Pagoda
Mohe Tribesman
Scout
Trader
Quilted Armor
Blacksmith
Bloomery
Steeled Arrow
Fitted Leatherwork
Iron Undermesh
Siege Engineering
Town Center
Mounted Villager
Scout
Villager
Collective Hunting
Textiles
Double Broadax
Horticulture
Hunting Tradition
Specialized Pick
Market
Reindeer Trader
Explosive Junk
Junk
Trade Ship
Transport Ship
Extended Lines
Naval Arrowslits
Fortify Outpost
Handcannon Slits
III
Castle Age
Great Wall Bastion
Pagoda Forest
Veteran Spearman
Man-at-Arms
Storm Lances
Keep
Bed Crossbow Emplacement
Meng'an Mouke Emplacement
Rain of Fire
Veteran Bed Crossbow
Crossbowman
Nest of Bees
Traction Trebuchet
Porcupine Defense
Reinforced Axles
Veteran Horseman
Veteran Iron Pagoda
Veteran Mohe Tribesman
Decarbonization
Balanced Projectiles
Insulated Helm
Wedge Rivets
Military Academy
Monastery
Monk
Herbal Medicine
Emissary
Lumber Preservation
Draft Horses
Fertilization
Shaft Mining
War Junk
Drift Nets
Armored Hull
Extra Hammocks
Incendiaries
Naval Crossbows
IV
Imperial Age
Enclave of the Emperor
Elite Spearman
Elite Man-at-Arms
Zhanma Swordsman
Tower Shields
Cannon Emplacement
Flying Fire Battalions
Elite Bed Crossbow
Elite Crossbowman
Bombard
Eruptor
Geometry
Lightweight Beams
Pili Pao
Elite Horseman
Elite Iron Pagoda
Elite Mohe Tribesman
Spyglass
Damascus Steel
Platecutter Point
Master Smiths
Angled Surfaces
University
Alliance Conducted at Sea
Chemistry
Court Architects
Heaven Shaking Thunder
Incendiary Arrows
Padded Lamellar
Siege Works
Silk Bowstrings
Piety
Tithe Barns
Crosscut Saw
Precision Cross-Breeding
Cupellation
Baochuan
Explosives
Heated Shot
Shipwrights
Swivel Cannon