Part 109

Explore the technologies in Civilization V's Part 109 guide, covering Classical and Medieval Era advancements, their costs, prerequisites, and unlocked units, buildings, wonders, and abilities.

This guide details technologies from Part 109 of Civilization V, focusing on advancements within the Classical and Medieval Eras. Each entry includes its science cost, prerequisite technologies, and what it unlocks, such as new units, buildings, wonders, or diplomatic options.

Classical Era Technologies:

1. Construction
   • Science Cost: 100
   • Prerequisite Techs: Masonry
   • Leads to: Engineering
   • Unlocks: Colosseum (Building), The Great Wall (Wonder), Build Bridges (Ability)
2. Horseback Riding
   • Science Cost: 100
   • Prerequisite Techs: The Wheel
   • Leads to: Chivalry
   • Unlocks: Horseman, Companion Cavalry (Unit), Stable, Circus (Building)
3. Iron Working
   • Science Cost: 150
   • Prerequisite Techs: Bronze Working
   • Leads to: Metal Casting
   • Unlocks: Swordsman, Mohawk Warrior, Legion (Unit), Armoury (Building), Heroic Epic (Wonder), Iron (Resource)
4. Mathematics
   • Science Cost: 100
   • Prerequisite Techs: The Wheel, Archery
   • Leads to: Currency, Engineering
   • Unlocks: Catapult, Ballista (Unit), Courthouse (Building), The Hanging Gardens (Wonder)
5. Optics
   • Science Cost: 80
   • Prerequisite Techs: Sailing
   • Leads to: Compass
   • Unlocks: Lighthouse (Building), Embarking (Ability)
6. Philosophy
   • Science Cost: 100
   • Prerequisite Techs: Writing
   • Leads to: Theology, Civil Service
   • Unlocks: Mud Pyramid, Burial Tomb, Temple (Building), National Epic, The Oracle (Wonder), Research Agreement (Diplomacy)

Medieval Era Technologies:

1. Chivalry
   • Science Cost: 440
   • Prerequisite Techs: Civil Service, Horseback Riding, Currency
   • Leads to: Banking
   • Unlocks: Knight, Camel Archer, Naresuan's Elephant, Mandekalu Cavalry (Unit), Mughal Fort, Castle (Building), Himeji Castle (Wonder), Defensive Pact Treaty (Diplomacy)
2. Civil Service
   • Science Cost: 400
   • Prerequisite Techs: Philosophy, Trapping
   • Leads to: Currency
   • Unlocks: Pikeman, Landsknecht (Unit), Chichen Itza (Wonder), +1 Food for Farms next to Coast or River (Ability)
3. Compass
   • Science Cost: 340
   • Prerequisite Techs: Optics
   • Leads to: Astronomy
   • Unlocks: Harbor (Building)
4. Currency
   • Science Cost: 250
   • Prerequisite Techs: Mathematics
   • Leads to: Chivalry
   • Unlocks: Market, Mint, Bazaar (Building), Machu Picchu (Wonder)
5. Education
   • Science Cost: 440
   • Prerequisite Techs: Theology
   • Leads to: Astronomy, Acoustics, Banking
   • Unlocks: Wall, University (Building), Oxford University, Notre Dome, The Porcelain Tower (Wonder)
6. Engineering
   • Science Cost: 250
   • Prerequisite Techs: Mathematics, Construction
   • Leads to: Machinery, Physics
   • Unlocks: Lumbermill, Fort (Tile Improvement), Aqueduct (Building)
7. Machinery
   • Science Cost: 440
   • Prerequisite Techs: Engineering
   • Leads to: Printing Press
   • Unlocks: Crossbowman, Chu-Ko-Nu, Longbowman (Unit), Faster movement on roads (Ability)
8. Metal Casting
   • Science Cost: 250
   • Prerequisite Techs: Iron Working
   • Leads to: Physics, Steel
   • Unlocks: Longhouse, Forge, Workshop (Building)

Early Technologies (Pre-Classical):

1. Trapping
   • Science Cost: 55
   • Prerequisite Techs: Animal Husbandry
   • Leads to: Civil Service
   • Unlocks: Trading Post, Camp (Tile Improvement)
2. Writing
   • Science Cost: 55
   • Prerequisite Techs: Pottery
   • Leads to: Philosophy
   • Unlocks: Paper Maker, Library (Building), National College, The Great Library (Wonder), Open Borders (Diplomacy)