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All research tree discoveries in Anno 117 | Skills database
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Aegis Research
Research
Build walls with a total length of 1,000 segments and generate at least 17,000 Knowledge.
Military
Albionic Research
Research
Establish a Trade Route in Albion and generate at least 500 Knowledge.
Economy
Aleatoria
Research
Unlocks:
Gambling House
Adds the Gambling House and causes it to become a need for all third tier residents and beyond.
Choose the Roman path in Albion and host Nobles in your realm.
Affects buildings
Gambling House 
Gambling House 
Civic
180k
Alliance Treaties
Research
Unlocks:
Alliance Treaty
Allows you to propose full military pacts with another party.
Civic
220k
Headhunting
Research
Unlocks:
Appoint Rival As Specialist
Allows you to hire other governors as specialists that serve you.
Civic
750k
Aqua Arborica
Research
Unlocks:
Aqueduct Boost: Plantations
Allows all plantations to benefit from irrigation via aqueducts, increasing their productivity.
Choose the Roman path in Albion and host Mercators in your realm.
Weld Farm 
Herb Garden 
Lavender Farm 
Olive Grower 
Vineyard 
Vineyard Economy
32k
Medici 
Medici 
Effect range of Markets
Market 
Market Untapped Soil
Research
Grants Effect:
Resin Trapper:
Can use meadows
Tree Tappers can plant trees on meadows, rather than requiring a forest.
Affects buildings
Resin Trapper 
Resin Trapper Economy
64k
Snuffing Sedition
Research
Grants Effect:
Custodes:
Response Time
-20%
Riot-fighting squads disperse rioters more quickly.
Affects buildings
Custodes 
Custodia Civic
220k
Aux In, Aux Out
Research
Grants:
Garrison Auxilia Available
+1
Allows you to station more Garrison Auxilia in your Villas.
Military
180k
Axe-Bearers
Research
Unlocks:
Axe-Bearers
Equipped solely with trousers and two-headed axes, Axe-Bearers dominate melee combat, but are susceptible to ranged attacks. Heavy axes perform well against enemies behind shields and armour.
Choose the Celtic path in Albion and host Smiths in your realm.
Military
4k
Balearic Ballistics
Research
Grants Effect:
Slinger:
Accuracy
+10%
Ranged Offence
+1
Improves the stats of all Slingers.
Military
92k
Gobannus-Model Bellows
Research
Grants Effect:
Coal-dependant Buildings:
Fuel efficiency
+30%
Buildings that consume Fuel can run for longer on the same amount of Fuel.
Affects buildings
Brewery 
Bronze Smelter 
Bakery 
Bakery 
Wire-Twister 
Earth Oven 
Fibularium 
Glassblower 
Glass Smelter 
Goldsmith 
Jeweller 
Tessera Works 
Narcissium 
Furnace 
Furnace 
Armourer 
Armourer 
Salsicium 
Saltwort Burner 
Silver Forge 
Renderer 
Renderer 
Potter 
Potter 
Weaponsmith 
Weaponsmith 
Tiler 
Tiler Economy
750k
Villa Retinue
Research
Grants Effect:
Governor Villa:
Libertus Workforce
+25
The Governor Villa provides the above workforce in Latium.
Affects buildings
Governor Villa 
Governor Villa Economy
36k
Perilous Ports
Research
Grants Effect:
Trading Posts:
Ranged Offence
+5
Attack speed
+25%
Hitpoints
+50%
Improves the stats of all Trading Posts.
Affects buildings
Trading Post 
Trading Post Military
180k
Paved Roads
Research
Unlocks Roads:
Paved Roads
Allows for faster transport of goods, thus extending the reach of buildings.
Store at least 5t Concrete.
Economy
4k
Encampment Errands
Research
Grants Effect:
Troops:
Maintenance Cost while encamped
-30%
Decreases upkeep costs of Troop Encampments.
Military
375k
Better Bellows
Research
Grants Effect:
Coal-dependant Buildings:
Fuel efficiency
+20%
Buildings that consume Fuel can run for longer on the same amount of Fuel.
Choose the Roman path in Albion and host Mercators in your realm.
Affects buildings
Economy
4k
Beaver Bother
Research
Grants Effect:
Beaver Trapper:
Productivity
+25%
Can use forests
Can use meadows
Beaver Trappers can be placed at the edge of the marshes with no loss in productivity.
Affects buildings
Beaver Trapper Economy
750k
Blind Faith
Research
Grants Effect:
Governor Villa:
Plebeian Workforce
+50
The Governor Villa provides the above workforce in Latium.
Affects buildings
Economy
128k
Blood of Terra
Research
Grants Effect:
All islands:
Iron Deposit
50%
Allows Iron Mines to produce even without Iron Deposits, albeit with reduced productivity.
Affects buildings
Iron Mine 
Iron Mine Economy
46k
Well
Well 
Well Carpe Civitas
Research
Grants Effect:
Infantry:
Torching Speed
+50%
Infantry damage buildings more quickly with their torches.
Military
8k
Cerere et Baccho
Research
Unlocks:
Beer Demand in Latium
Causes Beer to become a need for all population tiers in Latium.
Civic
750k
Character Study
Research
Unlocks:
Character Study
Description: Reveals the maximum reliability of charioteers who have competed in at least two races.
Affects buildings
Hippodrome 
The Hippodrome
220k
Best of the Rest
Research
Unlocks:
Best of the Rest
Allows champion-level charioteers to benefit from trial races.
Affects buildings
The Hippodrome
1,5M
The Hippodrome
Research
Enjoy the benefits of the most magnificent circus and the greatest races Latium has ever seen.
The Hippodrome
Cover positions
Research
Grants Effect:
Archers:
Morale
+50
Toughness
+1
Improves the stats of all Archer troops.
Military
36k
Depot Permit
Depot 
Depot 
DepotThe Flight of Birds
Research
Grants Effect:
Bird Charmer:
Productivity
+25%
Can use forests
Can use meadows
Bird Charmers can be placed at the edge of the marshes with no loss in productivity.
Affects buildings
Bird Charmer Economy
750k
The Art of Gift-Giving
Research
Unlocks:
Large Gifts
Allows you to gift large amounts of money to other Governors in exchange for their favour.
Civic
92k
Beneath Bedrock
Research
Grants Effect:
Mines:
Productivity
+5%
Increases the productivity of your Mines.
Affects buildings
Gold Mine 
Coal Mine 
Coal Mine 
Copper Mine 
Silver Mine 
Tin Mine Economy
1,5M
Drainage
Research
Unlocks: Infrastructure
Drainage Channel and Sluice Gate
Enables the draining of Albion's swampy marshes to create solid, arable land.
Choose the Roman path in Albion and host Mercators in your realm.
Affects buildings
Drainage Channel 
Sluice Gate Economy
32k
Multi-task Menders
Research
Grants Effect:
Repair Crane:
Simultaneous repairs
+1
Increases the number of ships that one Repair Crane can repair simultaneously.
Affects buildings
Repair Crane 
Repair Crane Military
110k
Empyrean Research
Research
Reach 25,000 Devotion for a Patron Deity and generate at least 9,000 Knowledge.
Civic
Sprint at a Gallop
Research
Unlocks:
Sprint at a Gallop
Reveals the maximum sprint power of charioteers who have competed in at least two races.
Affects buildings
The Hippodrome
220k
Cyclopedic Research
Research
Establish 5 Inter-regional Trade Routes and produce at least 17,000 Knowledge.
Economy
Cult of Epona
Research
Unlocks:
Epona
Epona is a Deity focussed on animals, especially horses.
Choose the Celtic path in Albion and host Aldermen in your realm.
Civic
180k
Epona's Hoofbeat
Research
Grants Effect:
Equitum Campus:
Belief Area effect
+2
Buildings near an Equitum Campus will produce Belief.
Affects buildings
Equitum Campus 
Equitum Campus Civic
360k
Equicurrian Chariots
Research
Grants Effect:
Chariots:
Attack range
+25%
Ranged Offence
+1
Movement speed
+10%
Improves the stats of all Chariot troops.
Military
1,5M
Artificer Intelligence
Research
Grants Effect:
Siege Workshop:
Knowledge Area effect
+2
Buildings near a Siege Workshop will produce Knowledge.
Choose the Celtic path in Albion and host Mercators in your realm.
Affects buildings
Siege Workshop 
Siege Workshop Civic
5,9k
Baths 
Baths 
Forum Cognoscentic Research
Research
Make use of 5 Specialists on one Island and generate at least 1,404 Knowledge.
Civic
Fabulae Togatae
Research
Grants Effect:
All islands:
Effect range of Theatres
-20%
Increases the distance at which residences and other buildings benefit from a nearby Theatre.
Affects buildings
Theatre 
Theatre Civic
220k
Featherweight Frames
Research
Grants Effect:
Siege Weapons:
Toughness
+1
Attack speed
+10%
Improves the stats of all Siege Engines.
Military
750k
Field Irrigation
Research
Unlocks:
Aqueduct Boost: Farms
Allows all farms to benefit from cistern irrigation, increasing their productivity.
Affects buildings
Flax Farm 
Flax Farm 
Barley Farm 
Oat Farm 
Hemp Farm 
Hemp Farm 
Wheat Farm 
Wheat Farm Economy
64k
Firmer Foundations
Research
Unlocks:
Firmer Foundations
Allows the placement of Harbour Buildings in water.
Affects buildings
Trading Pier 
Trading Pier 
Shipyard 
Shipyard Economy
360k
Fish Markets
Research
Grants Effect:
Fishing Hut and Cockle Picker:
Income Area effect
+3
Buildings near your Fishing Huts will produce Income.
Affects buildings
Cockle Picker 
Fishing Hut Economy
11,8k
Voluntary Vigilance
Research
Grants Effect:
Vigiles:
Available Patrols
+1
Increases the number of fire-fighting brigades patrolling the streets.
Affects buildings
Vigiles 
Vigiles Civic
8k
Sturdy Construction
Research
Grants Effect:
Towers, and Gates:
Hitpoints
+5%
Increases the defensive strength of your Towers.
Military
1,5M
Hospitality
Research
Unlocks Specialist Building
Officia
Accommodates Specialists in your cities.
Grants:
Officium Permit
Allows you to build one more Officium on your islands.
Affects buildings
Officium 
Officium Civic
11,8k
Hazard Fighters
Research
Grants Effect:
Vigiles:
Fire Safety Area effect
+1
Vigiles provide even more Fire Safety to nearby buildings.
Affects buildings
Civic
92k
Geological Research
Research
Make use of 3 of Caecilia's Specialists on one island, and generate at least 5,000 Knowledge.
Prophecies of Ash
Plated Hulls
Research
Unlocks:
Plated Hulls
Armoured plating on the outer hull of a ship makes it more resilient to damage.
Store at least 5t Armour.
Military
36k
Rammed Earth
Research
Grants Effect:
All islands:
Wall Upkeep
-30%
Decreases the upkeep cost of walls.
Military
8k
Healthy Competition
Research
Grants:
Legendary Specialist
Grants a randomly selected legendary specialist related to Economy, Finance and Nature.
Economy
1,5M
Daring Research
Research
Hold an amateur, quadriga or imperial race and generate at least 10,000 knowledge.
The Hippodrome
10k
Seasoned to Taste
Research
Unlocks:
Garum Demand in Albion
Causes Garum to become a food need among population tiers in Albion.
Civic
750k
Import Gods
Research
Unlocks:
Statuettes Export
Creates demand for statuettes in provinces outside Latium.
Prophecies of Ash
15M
Shrine Staffing
Research
Grants:
Shrine Permit
+1
Allows you to build one more Shrine of any kind on your Islands.
Shrine of Ceres 
Shrine of Cernunnos 
Shrine of Epona 
Shrine of Mars 
Shrine of Mercury-Lugus 
Shrine of Minerva 
Shrine of Neptune 
Shrine of Vulcan Large Loans
Research
Unlocks:
Large Loan
Allows you to take out a large loan with a Rival.
Civic
92k
Abyssal Invocation
Research
Unlocks:
Max. off-shore building range shore
Allows placement of buildings even further away from the coast.
Affects buildings
Economy
750k
Metropolitan Research
Research
Reach 25,000 total Global Population and produce at least 17,000 Knowledge.
Civic
Warmer Hospitality
Research
Grants:
Officium Permit
+1
Allows you to build one more Officium on your islands.
Affects buildings
Civic
64k
Well-Ordered Warehouses
Research
Unlocks:
Warehouse Discount
Halved Construction Costs for all Warehouses.
Affects buildings
Warehouse 
Warehouse Economy
750k
Pier-to-Pier Trading
Research
Unlocks Harbour Building
Trading Pier
Trade Piers are additional spots for ships to load/unload their goods at, reducing congestion at the Trading Post.
Affects buildings
Economy
220k
Seaport Specification
Research
Unlocks:
Good Specification in Trade Piers
When a good is specified at a Trading Post, only ships on Trade Routes for the specified good are allowed to load/unload there.
Affects buildings
Economy
750k
Hurried Horrea
Research
Grants Effect:
Warehouses:
Loading Speed:
+25%
Increases the speed that carts load/unload goods at all Warehouses.
Affects buildings
Economy
92k
House Rules
Research
Grants Effect:
Latrunculi Workshop:
Knowledge Area effect
+1
Buildings near your Latrunculi Workshops generate more knowledge.
Affects buildings
Latrunculi Workshop Prophecies of Ash
750k
Household Shrines
Research
Grants Effect:
Caelator:
Prestige Area effect
+1
Caelatores increase the prestige of nearby buildings.
Affects buildings
Caelator Prophecies of Ash
750k
Raising Sluices
Research
Grants Effect:
Lock Gate:
Drainage Channel
+80
More Drainage Channels can be connected to each Sluice Gate.
Affects buildings
Economy
750k
Dominion Research
Research
Conquer 1 Island and generate at least 9,000 Knowledge.
Military
Dominion Research
Research
Conquer 1 Island and generate at least 9,000 Knowledge.
Military
Officialdom
Research
Grants:
Officium Permit
+1
Allows you to build one more Officium on your islands.
Affects buildings
Civic
360k
Here Come The Cavalry
Research
Unlocks:
Garrison Cavalry
These standing units are always at hand to defend your island in case of invasion. They require no workforce, but also cannot embark onto ships.
Grants:
Garrison Cavalry Available
+1
Allows you to station more Garrison Cavalry in your Villas.
Military
1,5M
Hippodrome Plans
Research
Unlocks: Monument – Landmark
Hippodrome
On this monumental racetrack the dust never settles and fearless charioteers compete for victory and the admiration of the crowd.
Affects buildings
The Hippodrome
Apiary 
Apiary Hushing
Research
Unlocks:
Aqueduct Boost: Mines
Allows all mines to benefit from hydraulics via aqueducts, increasing their productivity.
Choose the Celtic path in Albion and host Smiths in your realm.
Affects buildings
Economy
46k
Imperial Parades
Research
Grants Effect:
Barracks:
Prestige Area effect
+2
Buildings near a Barracks will produce Prestige.
Choose the Celtic path in Albion and host Smiths in your realm.
Affects buildings
Barracks 
Barracks Civic
5,9k
Quays
Research
Unlocks Ground Patterns
Quay Street
Decorates the harbour area.
Store at least 5t Concrete.
Economy
360k
Imperial Measures
Research
Grants Effect:
Shipyards
Ship construction speed
+100%
Increases the speed of ship construction.
Affects buildings
Military
1,5M
Camp Campaigning
Research
Grants Effect:
Encampments:
Happiness Area effect
+1
Fire Safety Area effect
+1
Prestige Area effect
+1
Encampments increase Attributes of nearby buildings.
Military
750k
Cataphractarii
Research
Grants Effect:
Cavalry:
Armour Protection
+1
Improves the stats of all Cavalry troops.
Military
180k
Recruitment Drive
Research
Grants:
Legendary Specialist
Yields a randomly-selected Legendary Specialist focussing on Culture, Religion or Research.
Civic
1,5M
Concordance Research
Research
Have 500 Romanised and 500 Celtic Population and generate at least 1,701 Knowledge.
Civic
Trading Post Improvements
Research
Unlocks:
Trading Post Upgrade
Upgrading your Trading Posts to the next tier adds more loading ramps to avoid congestion, and increases island storage capacity.
Affects buildings
Economy
750k
Trading Post Improvements
Research
Unlocks:
Trading Post Upgrade
Upgrading your Trading Posts to the next tier adds more loading ramps to avoid congestion, and increases island storage capacity.
Affects buildings
Economy
4,8k
Co-ordinated Volleys
Research
Grants Effect:
Towers:
Attack speed
+10%
Increases the attack speed of all defensive Towers.
Military
11,8k
Cult of Minerva
Research
Unlocks:
Minerva
Minerva is a deity focussed on knowledge, teaching, and the fine art of weaving.
Civic
11,8k
Cult of Cernunnos
Research
Unlocks:
Cernunnos
Cernunnos is a Deity focussed on forests, Albionic production and the Health Attribute.
Choose the Celtic path in Albion and host Smiths in your realm.
Civic
32k
Cult of Mercury-Lugus
Research
Unlocks:
Mercury-Lugus
Mercury-Lugus is a deity focussed on high-quality crafting and trade.
Choose the Roman path in Albion and host Mercators in your realm.
Civic
32k
Cult of Vulcan
Research
Unlocks:
Vulcan
Vulcan is a deity who is all about work. He is responsible for quarries, pits and craftsmen.
Prophecies of Ash
11,8k
Curio Research
Research
Build 1 Caelator and 1 Latrunculi Workshop and generate at least 5,000 Knowledge.
Prophecies of Ash
Warehouse Refinement
Research
Unlocks:
Warehouse Upgrade
Upgrading your Warehouses to the next tier adds more loading ramps to avoid congestion.
Warehouse Organisation
Research
Unlocks:
Warehouse Upgrade
Upgrading your Warehouses to the next tier adds more loading ramps to avoid congestion.
Affects buildings
Economy
4,8k
Latin Research
Research
Establish a Trade Route in Latium and generate at least 500 Knowledge.
Economy
Latrines
Research
Unlocks Amenity:
Latrines
Increases Health nearby.
Affects buildings
Latrine 
Latrine Civic
18k
Latrunculi
Research
Unlocks:
Latrunculi Sets
Unlocks demand for Latrunculi Sets and the Latrunculi Workshop.
Prophecies of Ash
18k
Legatic Research
Research
Expand your army to 5 Troops and generate at least 1,800 Knowledge.
Military
Legionaries
Research
Unlocks:
Legionaries
Military
36k
Legionic Research
Research
Build a Barracks and generate at least 500 Knowledge.
Military
Lingua Romana
Research
Grants Effect:
All islands:
Effect range of Grammaticus
+20%
Increases the distance at which residences and other buildings benefit from a nearby Grammaticus.
Choose the Roman path in Albion and host Mercators in your realm.
Affects buildings
Grammaticus 
Grammaticus Civic
32k
Albionic Loyalists
Research
Grants Effect:
Governor Villa:
Wader Workforce
+25
The Governor Villa provides the above workforce in Albion.
Affects buildings
Economy
32k
Ludus
Research
Unlocks:
Latrunculi Set Export
Creates demand for Latrunculi Sets in other provinces.
Prophecies of Ash
15M
Mackerel Hauling
Research
Grants Effect:
All islands:
Mackerel Population
50%
Allows Scomber's Huts to produce even without a Mackerel Population, albeit with reduced productivity.
Affects buildings
Scomber's Shack Economy
64k
Manipular Manoeuvres
Research
Grants Effect:
Legionaries:
Morale
+100
Toughness
+1
Shield Protection
+1
Improves the stats of all Legionary troops.
Military
375k
Manor Invictus
Research
Grants Effect:
Governor Villa:
Attack range
+10%
Ranged Offence
+1
Attack speed
+25%
Improves the stats of all Governor Villas.
Affects buildings
Military
180k
Marble Roads
Research
Unlocks Ornamental Road
Marble Road
An ornamental road that gives small amounts of Prestige and allows for faster transportation of goods, extending the reach of buildings.
Store at least 5t Marble.
Civic
360k
Mass Tryouts
Research
Unlocks:
Mass Tryouts
Increases the maximum number of competitors for trial races.
Affects buildings
The Hippodrome
750k
Go the Distance
Research
Unlocks:
Go the Distance
Reveals the maximum stamina of charioteers who have competed in at least two races.
Affects buildings
The Hippodrome
220k
Mentorship
Research
Grants:
View your collection
Grants a random specialist whose potential values as a charioteer are above average.
The Hippodrome
3M
Metallurgical Research
Research
Open 12 Mines in Albion and generate at least 9,000 Knowledge.
Economy
Military
Research
These Discoveries will help us in matters of war.
Military
Monumental Research
Research
Construct 5 Aqueducts in Latium and produce at least 9,000 Knowledge.
Economy
Wetland Research
Research
Drain 7,500 tiles of Marshland and generate at least 1,602 Knowledge.
Economy
Night Watch
Research
Grants Effect:
Custodes:
Available Patrols
+1
Increases the amount of riot-fighting squads patrolling the streets.
Affects buildings
Civic
8k
Sewing Circles
Research
Grants Effect:
Spinners:
Knowledge Area effect
+1
Buildings near your Spinners will produce Knowledge.
Affects buildings
Spinner 
Spinner Economy
8k
Nautical Research
Research
Build a Shipyard and generate at least 500 Knowledge.
Military
Replanting
Research
Grants Effect:
Charcoal Burners:
Can use meadows
Charcoal Burners can harvest trees in meadows, rather than requiring a forest.
Choose the Celtic path in Albion and host Smiths in your realm.
Affects buildings
Charcoal Burner 
Charcoal Burner Economy
4k
Obsidian Gathering
Research
Unlocks:
Obsidian Gathering
Allows workers to find obsidian in pits and quarries in Latium.
Prophecies of Ash
8k
Obsidian Mining
Research
Unlocks:
Obsidian Mining
Allows workers to find obsidian in mines in Latium.
Prophecies of Ash
15M
Obsidian Statuettes
Research
Unlocks:
Statuettes
Allows workers to find obsidian in pits and quarries in Latium.
Prophecies of Ash
11,8k
Villa Novation
Research
Allows you to build one more Officium on your islands.
Civic
1,5M
Public Funding
Research
Grants Effect:
All islands:
Effect range of City Watches
+20%
Increases the distance at which residences and other buildings benefit from a nearby City Watch.
Grants Effect:
City Watches:
Response Range
+20%
Increases the distance at which City Watches can respond to incidents.
Affects buildings
Civic
1,5M
Opus Caementicium
Research
Grants Effect:
Officia and Monuments and Public Services:
Hitpoints
+10%
Immune to Tremor
Grants all public buildings increased resistance to enemy attacks and incidents in the city.
Affects buildings
Amphitheatre 
Library 
Fanum 
Sacred Grove 
Sanctuary 
Barrow 
Bardic Hearth 
Tavern 
Temple 
Temple 
Recreation Ground 
Alder Council Prophecies of Ash
750k
Ordine Research
Research
Defeat a Raider and generate at least 9,000 Knowledge.
Military
Aesthetic Aedificator
Research
Unlocks:
Ornament Discount
Halved Construction Costs for all Ornaments.
Civic
220k
Parabolics
Research
Grants Effect:
Onager:
Accuracy
+15%
Attack speed
+5%
Improves the stats of all Onager engines.
Military
64k
Parmae
Research
Grants Effect:
Equestrian Cavalry:
Morale
+25
Shield Protection
+1
Improves the stats of all Equites Cavalry troops.
Military
64k
Pax Amicitia
Research
Unlocks:
Master Negotiator
Adds a Positive Reason for multiple diplomatic actions.
Civic
750k
Rain Of Pain
Research
Unlocks:
Garrison Archer
These standing units are always at hand to defend your island in case of invasion. They require no workforce, but also cannot embark onto ships.
Grants:
Garrison Archers Available
+1
Allows you to station more Garrison Archers in your Villas.
Military
375k
Phlogistic Research
Research
Store 150t Charcoal in Latium and generate at least 1,503 Knowledge.
Economy
Fenixwrights
Research
Grants Effect:
Vigiles:
Rebuild time
-50%
Fire-fighting squads rebuild ruined buildings more quickly.
Affects buildings
Civic
1,5M
Portitores
Research
Grants Effect:
Warehouses:
Workforce Needed
-20%
Upkeep cost
-10%
Reduces the running costs of each of your Warehouses.
Affects buildings
Civic
11,8k
Gubernatorial Research
Research
Reach 50,000 total Global Prestige and generate at least 9,000 Knowledge.
Civic
Praetorians
Research
Unlocks:
Praetorian Cavalry
Equipped like majestic generals, this formidable band combine the mobility of Cavalry with the melee strength of Legionaries.
Military
375k
Praetorian Pumps
Research
Grants Effect:
Vigiles:
Response Time
-20%
Fire-fighting squads extinguish burning buildings more quickly.
Affects buildings
Civic
220k
Bargain Palisades
Research
Unlocks:
Wooden Wall Discount
Halved Construction Costs for all wooden Walls and wooden Gates.
Military
110k
Prestigious Research
Research
Win an imperial race and generate at least 15,000 knowledge.
The Hippodrome
15k
Pro Domo
Research
Grants Effect:
Governor Villa:
Hitpoints
+50%
Self-repair speed
+100%
Improves the stats of all Governor Villas.
Affects buildings
Military
180k
Cohabitive Collaboration
Research
Grants Effect:
Officia:
Specialist Slots
+1
Increases the number of Specialists per Officium.
Affects buildings
Civic
750k
Provisional Castra
Research
Unlocks:
Encampment
Grants Troops the Encamp command while on home islands, which reduces workforce requirements and speeds up healing outside combat.
Military
4,8k
Quartermastery
Research
Grants Effect:
Flagship:
Cargo weight slowdown
-20%
Cargo Slots
+2
Increases the number of cargo slots on your flagship.
Civic
4,8k
Vitruvius-class Crossbeams
Research
Grants Effect:
Scorpiones:
Attack range
+15%
Attack speed
+10%
Improves the stats of all Scorpion engines.
Military
180k
Quinquiremes
Research
Unlocks:
Quinquiremes
An advanced hull type with many more slots and modifications.
Research Triremes.
Civic
220k
Speed Limits
Research
Unlocks:
Speed Limits
Reveals the maximum speed of charioteers who have competed in at least two races.
Affects buildings
The Hippodrome
360k
Right to Repair
Research
Grants Effect:
Vigiles:
Can repair destroyed buildings
Allows Vigiles to repair ruined buildings.
Affects buildings
Civic
360k
Repair Cranes
Research
Unlocks:
Repair Crane
Repairs nearby ships.
Affects buildings
Military
4,8k
Armoursmithing
Research
Unlocks:
Armour Chain
Increases the odds for those who gamble with their lives.
Military
8k
Health Area effectAlbionic Pillars
Research
Grants Effect:
Governor Villa:
Smith Workforce
+25
Mercators Workforce
+25
The Governor Villa provides the above workforce in Albion.
Affects buildings
Economy
750k
Shipwright Studies
Research
Grants Effect:
Repair Crane:
Ship repair speed
+25%
Repair radius
+20%
Improves the speed of Repair Cranes and the radius in which they can work.
Shipboard Scorpiones
Research
Unlocks:
Shipboard Scorpiones
Scorpiones excel at medium-ranged combat. A most versatile weapon, they are useful for both naval and land assault.
Military
64k
Sacral Spaces
Research
Grants:
Shrine Permit
+1
Allows you to build one more Shrine of any kind on your Islands.
Legally Enshrined
Research
Grants:
Shrine Permit
+1
Allows you to build one more Shrine of any kind on your Islands.
Protective Entourage
Research
Grants Effect:
Auxilia:
Morale
+75
Toughness
+1
Improves the stats of all Auxilia troops:
Military
8k
Catapult Carriers
Research
Unlocks:
Ship Catapults
Catapults have a high range but a low fire rate. They are best used against stationary targets for devastating results.
Military
110k
Navarchal Research
Research
Sink 10 ships belonging to Raiders and generate at least 2,205 Knowledge.
Military
Harbourmastery
Research
Unlocks:
Harbourmastery
Allows the placement of Albion's Coastal Production Buildings in water.
Affects buildings
Economy
18k
Safe Havens
Research
Unlocks:
Safe Havens
Allows the placement of Latium's Coastal Production Buildings in water.
Affects buildings
Economy
36k
Harbour Grandmastery
Research
Unlocks:
Increased off-shore building range
Allows the placement of buildings further away from the coast.
Affects buildings
Economy
360k
Scorpiones
Research
Unlocks:
Scorpiones
Launching spears over long distances, Scorpion siege engines are designed to be used against enemy formations rather than buildings.
Build a Siege Workshop.
Military
32k
Solutio Ad Hominem
Research
Unlocks:
Philanthropy
Reveals the preferences of Legendary Specialists and Captains.
Civic
1,5M
Spathas
Research
Grants Effect:
Praetorian Cavalry:
Morale
+50
Melee offence
+1
Charge offence
+4
Improves the stats of all Praetorian Cavalry troops.
Military
1,5M
Funeral Games of Tailteann
Research
Grants Effect:
All islands:
Effect range of Recreation Ground
+20%
Increases the distance at which residences and other buildings benefit from a nearby Recreation Ground.
Choose the Celtic path in Albion and host Smiths in your realm.
Affects buildings
Civic
32k
Brick By Brick
Research
Unlocks:
Stone Wall Discount
Halved Construction Costs for all Stone Walls and Stone Gates.
Military
1,5M
Municipal Research
Research
Reach the City Status Growing City and generate at least 500 Knowledge.
Civic
Reservoirs
Research
Grants Effect:
Aqueduct Basins:
Water supply
+50%
Aqueduct Basins can supply more water.
Affects buildings
Aqueduct Source 
Aqueduct Source Economy
64k
Another Brick In The Wall
Research
Grants Effect:
Walls:
Hitpoints
+5%
Increases the defensive strength of your Walls.
Military
1,5M
Stone Walls
Research
Unlocks Defensive Building
Stone Walls
Walls prevent enemy troops from advancing into your city.
Unlocks Defensive Building
Stone Gates
Controls access to the city. The gate will close during an attack.
Unlocks Defensive Building
Stone Towers
Archers attack enemies on sight to protect the city.
Store at least 5t Concrete.
Military
18k
Slingers
Research
Unlocks:
Slingers
Beneath a constant hail of Slinger stones, most enemies will eventually crumble. Light equipment affords them decent mobility, while making them vulnerable targets.
Military
4,8k
Chariots
Research
Unlocks:
Chariots
Considered quaint by many Romans, Chariots are not to be underestimated. Using their manoeuvrability to harass the enemy line at range, they thrive in exploiting enemy weaknesses.
Military
180k
Marsh Services
Research
Unlocks:
Marsh Services
Allows the placement of City Watch building types within the marshlands.
Choose the Celtic path in Albion and host Smiths in your realm.
Affects buildings
Economy
32k
Day Watch
Research
Grants Effect:
Custodes:
Happiness
+1
Custodes provide even more Happiness to nearby buildings.
Affects buildings
Civic
64k
Sword and Sald
Research
Grants:
Legendary Specialist
Yields a random Legendary Specialist in Military, Seafaring or Civics.
Military
1,5M
Thermal Shock
Research
Unlocks:
Increased Obsidian Deposits
Increases the maximum capacity of obsidian deposits by +250 t and increases the amount of obsidian produced by each volcanic eruption.
Prophecies of Ash
3M
Thermopolia
Research
Grants Effect:
Porridge Stand:
Population Area effect
+1
Porridge stands further increase the population attribute of nearby buildings.
Affects buildings
Porridge Stand Prophecies of Ash
11,8k
Tireless Training
Research
Grants Effect:
Hippodrome: Available upgrades +2
Increases the number of available charioteer upgrades via trial races between races from 1 to 3.
Affects buildings
The Hippodrome
750k
Trireme
Research
Unlocks:
Trireme
A tried-and-true ship with more slots for modifications.
Civic
36k
Túatha Dé Danann
Research
Grants Effect:
Axe-Bearers:
Morale
+100
Toughness
+1
Melee offence
+1
Improves the stats of all Axe-Bearer troops.
Military
180k
Tower Ballistae
Research
Unlocks Defensive Building
Tower Ballistae
Ballistae attack enemies on sight to protect the city.
Research Stone Walls
Military
46k
Tower Contiguity
Research
Grants Effect:
Globally:
Minimum distance
+25%
Reduces the minimum-allowed building distance between Towers.
Military
1,5M
Ulex & Agogae
Research
Grants Effect:
All islands:
Gold Ore Deposit
50%
Allows Gold Mines and Gold Washers to produce even without Gold Deposits, albeit with reduced productivity.
Affects buildings
Gold Washer Economy
1,5M
Valetudinaria
Research
Grants Effect:
Troops:
Healing while encamped
+100%
Increases the recovery speed of encamped troops.
Military
64k
Devotional Research
Research
Devote 2 cities to a single Patron and generate at least 500 Knowledge.
Civic
Prophecies of Ash
Research
Access the riches of Occasus, the great volcano.
Discover the Trader Caecilia, house 500 Equites, and generate at least 750 Knowledge.
Prophecies of Ash
Via Tributum
Research
Unlocks:
Paved Road Discount
Halved Construction Costs for all Paved Roads.
Unlocks:
Marble Road Discount
Halved Construction Costs for all Marble Roads.
Civic
750k
Vulcan's Vigiles
Research
Grants Effect:
City Watches:
Fire Safety Area effect
+1
Increases the fire safety of buildings within range of City Watches.
Affects buildings
Prophecies of Ash
15M
Villa Visitation
Research
Grants Effect:
Governor Villa:
Prestige
+200
Increases the Prestige provided by each Governor Villa.
Affects buildings
Civic
128k
Vino Veritas
Research
Grants Effect:
All islands:
Grape Fertility
50%
Allows Vineyards to produce even without Grape Fertility, albeit with reduced productivity.
Affects buildings
Economy
750k
Populist Research
Research
Build 2 Baths or 2 Forums and produce at least 2,070 Knowledge.
Civic
Cautious Greeting
Research
Unlocks:
Cautious Greeting
Allows the placement of Towers in water.
Military
64k
Volcanic Layers
Research
Unlocks:
Volcanic Soil Level 5
Increases the maximum achievable volcanic soil layers by 2.
Prophecies of Ash
750k
Watchtowers
Research
Unlocks Amenity:
Watchtowers
Increases Happiness nearby.
Affects buildings
Watchtower 
Watchtower Civic
8k
Water Conservation
Research
Grants Effect:
Water-improved Production Buildings:
Water consumption
-20%
Buildings that use water need less of it to function.
Tacking
Research
Grants Effect:
Ships:
Movement speed
+5%
Unfavourable Wind Impact
-20%
Increases the maximum speed of your ships and decreases slowdown when facing the wind.
Military
36k
Woodland Rebirth
Research
Grants Effect:
Woodcutters:
Can use meadows
Woodcutters can plant trees on meadows, rather than requiring a forest.
Affects buildings
Woodcutter 
Woodcutter Economy
18k
Economy
Research
These Discoveries will allow our settlements to be more materially productive.
Economy
Target Practice
Research
Unlocks:
Garrison Archer
These standing units are always at hand to defend your island in case of invasion. They require no workforce, but also cannot embark onto ships.
Grants:
Garrison Archers Available
+1
Allows you to station more Garrison Archers in your Villas.
Military
92k
Civic
Research
These Discoveries will transform the social fabric of our cities.
Civic
Extra Horse Power
Research
Grants Effect:
Governor Villa:
Equites Workforce
+50
The Governor Villa provides the above workforce in Latium.
Affects buildings
Economy
1,5M