AoE IV Tech Tree
Civilizations
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Landmarks
Military
Support
Economic
I
Dark Age
Deer Stones
The Silver Tree
Barracks
Spearman
Stable
Early Horseman
Scout
Town Center
Scout
Villager
Dock
Ger
Wheelbarrow
Survival Techniques
Forestry
Forestry (Improved)
Survival Techniques (Improved)
Wheelbarrow (Improved)
Ovoo
Superior Mobility
Whistling Arrows
Outpost
II
Feudal Age
Kurultai
Steppe Redoubt
Hardened Spearman
Archery Range
Archer
Khan's Hunter
Mangudai
Horseman
Keshik
Blacksmith
Bloomery
Steeled Arrow
Fitted Leatherwork
Iron Undermesh
Siege Engineering
Siege Engineering (Improved)
Textiles
Market
Trader
Explosive Junk
Fishing Boat
Light Junk
Trade Ship
Transport Ship
Extended Lines
Naval Arrowslits
Piracy
Double Broadax
Horticulture
Specialized Pick
Professional Scouts
Double Broadax (Improved)
Horticulture (Improved)
Specialized Pick (Improved)
Raid Bounty
Raid Bounty (Improved)
Superior Mobility (Improved)
Whistling Arrows (Improved)
Arrowslits
III
Castle Age
Khaganate Palace
The White Stupa
Veteran Spearman
Man-at-Arms
Veteran Archer
Veteran Khan's Hunter
Veteran Mangudai
Crossbowman
Veteran Horseman
Veteran Keshik
Steppe Lancers
Siege Workshop
Battering Ram
Mangonel
Springald
Traction Trebuchet
Greased Axles
Greased Axles (Improved)
Decarbonization
Balanced Projectiles
Insulated Helm
Wedge Rivets
Military Academy
Military Academy (Improved)
Prayer Tent
Shaman
Herbal Medicine
Herbal Medicine (Improved)
Monastic Shrines
Textiles (Improved)
War Junk
Drift Nets
Armored Hull
Extra Hammocks
Incendiaries
Springald Crews
Lumber Preservation
Fertilization
Shaft Mining
Additional Torches
Additional Torches (Improved)
Springald Emplacement
Yam Network
IV
Imperial Age
Monument of the Great Khan
Elite Spearman
Elite Man-at-Arms
Elite Archer
Elite Khan's Hunter
Elite Mangudai
Elite Crossbowman
Handcannoneer
Siha Bow Limbs
Siha Bow Limbs (Improved)
Elite Horseman
Elite Keshik
Spyglass
Steppe Lancers (Improved)
Bombard
Adjustable Crossbars
Geometry
Geometry (Improved)
Lightweight Beams
Lightweight Beams (Improved)
Roller Shutter Triggers
Roller Shutter Triggers (Improved)
Damascus Steel
Platecutter Point
Master Smiths
Angled Surfaces
Biology
Biology (Improved)
Chemistry
Elite Army Tactics
Elite Army Tactics (Improved)
Incendiary Arrows
Serpentine Powder
Siege Works
Siege Works (Improved)
Silk Bowstrings
Piety
Piety (Improved)
Tithe Barns
Tithe Barns (Improved)
Stone Commerce
Stone Commerce (Improved)
Baochuan
Explosives
Heated Shot
Shipwrights
Swivel Cannon
Crosscut Saw
Precision Cross-Breeding
Cupellation
Court Architects
Pax Mongolica
Stone Bounty
Stone Bounty (Improved)
Cannon Emplacement
Yam Network (Improved)