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© 2026 AoE4 Analyzer. All rights reserved. · v1.1.18

Civilization GuideTechnologies

Eastern Mercenary Contract

Adjustable Crossbars

Siege Directive

Elephant Harness

Governor of Ajmer

Governor of Bhakkar

Governor of Jalor

Governor of Multan

Governor of Sehwan

Governor of Uch

Angled Surfaces

Armored Caravans

Merchant Guilds

Stone Commerce (Improved)

Naval Arrowslits

Springald Crews

Liquid Explosives

Thunderclap Bombs

Salvaged Materials

Naval Crossbows

Naval Springald Emplacement

Adaptable Hulls

Tughlaqabad Fort Overwatch

Cannon Emplacement

Springald Emplacement

Mangonel Emplacement

Handcannon Slits

Bed Crossbow Emplacement

Trebuchet Emplacement

Javelin Emplacement

Great Bombard Emplacement

Balanced Projectiles

Platecutter Point

Siha Bow Limbs (Improved)

Royal Bloodlines

Blade Inlaying (6/6)

Blade Inlaying (1/6)

Blade Inlaying (3/6)

Blade Inlaying (5/6)

Blade Inlaying (2/6)

Blade Inlaying (4/6)

Scale Barding (1/6)

Scale Barding (4/6)

Scale Barding (5/6)

Scale Barding (2/6)

Scale Barding (3/6)

Scale Barding (6/6)

Farima Leadership

Biology (Improved)

Boyar's Fortitude

Decarbonization

Medical Centers

Slow-Burning Defenses

Network of Citadels

Reinforced Defenses

Flying Fire Battalions

Stronghold Defensive Arrowslits

Infantry Support

Sultan's Mamluks

Camel Rider Barding

Camel Rider Shields

Serpentine Powder

Heaven Shaking Thunder

Silk Bowstrings

Poisoned Arrows

Court Architects

Border Settlements

Slate and Stone Construction

Fortifications (3/6)

Fortifications (2/6)

Fortifications (4/6)

Fortifications (1/6)

Fortifications (6/6)

Fortifications (5/6)

Lumber Preservation

Double Broadax (Improved)

Specialized Pick

Specialized Pick (Improved)

Elite Army Tactics

Butted Chainmail (2/6)

Butted Chainmail (1/6)

Butted Chainmail (6/6)

Butted Chainmail (5/6)

Butted Chainmail (4/6)

Butted Chainmail (3/6)

Pattern Welding (5/6)

Pattern Welding (4/6)

Pattern Welding (2/6)

Pattern Welding (6/6)

Pattern Welding (1/6)

Pattern Welding (3/6)

Elite Army Tactics (Improved)

Roar of the Dragon

Fertile Crescent

Improved Processing

Lettre de Change

Precision Cross-Breeding

Rotation Grazing

Horticulture (Improved)

Fitted Leatherwork

Forestry (Improved)

Fortify Outpost

Fresh Foodstuffs

Textiles (Improved)

Wheelbarrow (Improved)

Shattering Projectiles

Warwolf Trebuchet

Counterweight Defenses

Siege Carpentry

Greek Fire Projectiles

Lightweight Frames

Porcupine Defense

Reinforced Axles

Iron Fittings (5/6)

Iron Fittings (2/6)

Iron Fittings (1/6)

Iron Fittings (6/6)

Iron Fittings (4/6)

Iron Fittings (3/6)

Prolonged Siege

Geometry (Improved)

Greased Axles (Improved)

Siege Works (Improved)

Cloud of Terror

Herbal Medicine

Local Knowledge

Herbal Medicine (Improved)

Incendiary Arrows

Lamellar Armor (3/6)

Lamellar Armor (5/6)

Lamellar Armor (4/6)

Lamellar Armor (1/6)

Lamellar Armor (2/6)

Lamellar Armor (6/6)

Sharpening Stones (3/6)

Sharpening Stones (4/6)

Sharpening Stones (1/6)

Sharpening Stones (6/6)

Sharpening Stones (5/6)

Sharpening Stones (2/6)

Precision Training

Lightweight Beams

Lightweight Beams (Improved)

Military Academy

Military Academy (Improved)

Monastic Shrines

Proselytization

Efficient Production

Cistercian Abbeys

Inspired Warriors

Piety (Improved)

Tithe Barns (Improved)

Saint's Veneration

Preservation of Knowledge

Professional Scouts

Survival Techniques

Collective Hunting

Hunting Tradition

Survival Techniques (Improved)

Public Libraries

Roller Shutter Triggers

Roller Shutter Triggers (Improved)

Advancement (Bonus Culture Wing)

Logistics (Bonus Culture Wing)

Growth (Bonus Economic Wing)

Industry (Bonus Economic Wing)

Master Smiths (Bonus Military Wing)

Reinforcement (Bonus Military Wing)

Advisors (Bonus Trade Wing)

Bazaar (Bonus Trade Wing)

Advancement (Castle Culture Wing)

Logistics (Castle Culture Wing)

Growth (Castle Economic Wing)

Industry (Castle Economic Wing)

Master Smiths (Castle Military Wing)

Reinforcement (Castle Military Wing)

Advisors (Castle Trade Wing)

Bazaar (Castle Trade Wing)

Kingdom of Castile

Republic of Genoa

Advancement (Feudal Culture Wing)

Logistics (Feudal Culture Wing)

Growth (Feudal Economic Wing)

Industry (Feudal Economic Wing)

Master Smiths (Feudal Military Wing)

Reinforcement (Feudal Military Wing)

Advisors (Feudal Trade Wing)

Bazaar (Feudal Trade Wing)

Khan and Torguuds

Kingdom of France

Knights Hospitaller

Principality of Antioch

Advancement (Imperial Culture Wing)

Logistics (Imperial Culture Wing)

Growth (Imperial Economic Wing)

Industry (Imperial Economic Wing)

Master Smiths (Imperial Military Wing)

Reinforcement (Imperial Military Wing)

Advisors (Imperial Trade Wing)

Bazaar (Imperial Trade Wing)

Yam Network Trade

Kingdom of Poland

Republic of Venice

Eastern Mercenary Contract

Silk Road Mercenary Contract

Western Mercenary Contract

Veteran Contract

Ferocious Speed

Siege Engineering

Siege Engineering (Improved)

Teardrop Shields

Additional Barrels

Ancient Techniques

Battle Hardened

Extra Materials

Imperial Examinations

Advanced Administration

Fine Tuned Guns

Collateral Damage

Elephant Caretakers

Reinforced Arm Ballista

Upgrade to Elite

Reinforced Foundations

Village Fortresses

Two-Handed Weapons

Castle Age King

Imperial Age King

Cantled Saddles

Crossbow Stirrups

Enlistment Incentives

Ordinance Company

Archery Range Reinforcements

Barracks Reinforcements

Battlefield Salvage

Earthen Core Walls

Glorious Charge

Increased Supplies

Khan Debuff Arrow

Stables Reinforcements

Unlock Kharash Edict

Unlock Stockyard Edict

Burgundian Imports

Collar of Esses

Rule of Templars

Knight Poleaxes

Condensed Land Practices

Open Field System

Exact Militia Program

Muster the Nobles

Military Tactics Training

Ships of the Crown

Synchronized Shot

Throwing Dagger Drills

Castle Age Shinobi

Imperial Age Shinobi

Shogunate Castle

Five Mountain Ministries

Mountain Top Training

Kabura-ya Whistling Arrow

Champion Companions

Field Commander

Gunpowder Monarch

Path of the Archer

Path of the Warrior

Rider Companions

Companion Equipment

Alliance Conducted at Sea

Meng'an Mouke Emplacement

Padded Lamellar

Mounted Training

Desert Citadels

Military Affairs Bureau

Curse of Auliya

Treasure Towers

Imperial Red Seals

Regional Inspection

Single Whip Reform

Ruinous Blinding

Additional Torches

Additional Torches (Improved)

Raid Bounty (Improved)

Stone Bounty (Improved)

Steppe Lancers (Improved)

Superior Mobility

Superior Mobility (Improved)

Whistling Arrows

Whistling Arrows (Improved)

Yam Network (Improved)

Advanced Academy

Anatolian Hills

Janissary Company

Military Campus

Castle Age Militia

Imperial Age Militia

Siege Crew Training

Cross Folded Armor

Lightweight Blades

Tanegashima Tate

Mounted Samurai Odachi

Yatai Farm Gather

Dynastic Protectors

Hard Cased Bombs

Eastern Mercenary Contract

Unique

Mercenary Contract

10s

Available for 1 civilization

Unlocks production of Keshik, Ghulam, and Tower Elephant mercenaries.

Keshik: Feudal Age Ghulam: Veteran contract Tower Elephant: Elite contract

Researched at

Golden Horn Tower

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