Appearance
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Research
The full research tree, branch by branch.
Times are game time at world speed 1. On a faster world divide them by its speed.
A new lord starts with 3 research points and earns more on each rank up (see ranks.md). Extra points can be bought with gold: the first costs 250 gold, each later one 150 more, up to 90 bought points. The whole tree costs 514 points across 167 nodes.
Industry
Timber, stone, ore and the craft of building.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Forestry | 1 | 1 | 10m | 0 | - | +15% wood | - |
| Carpentry | 1 | 1 | 10m | 0 | - | +10% build speed | - |
| Pitch Extraction | 2 | 1 | 20m | 2 | Forestry | - | Pitch Rig |
| Stonemasonry | 2 | 2 | 30m | 2 | Carpentry | +15% stone | - |
| Charcoal Burning | 2 | 1 | 30m | 3 | Forestry | - | Charcoal Burner |
| Deep Mining | 3 | 2 | 1h | 4 | Pitch Extraction, Stonemasonry | +20% iron, +10% pitch | - |
| Architecture | 3 | 3 | 2h | 6 | Stonemasonry | +15% build speed | - |
| Coppiced Woods | 3 | 2 | 1h | 4 | Charcoal Burning | +15% wood, +15% charcoal | - |
| Craft Guilds | 4 | 4 | 4h | 9 | Deep Mining, Architecture | +10% wood, +10% stone, +10% iron, +10% pitch | - |
| Bloomery Furnaces | 4 | 3 | 2h | 6 | Deep Mining, Coppiced Woods | +15% iron | - |
| Master Builders | 4 | 3 | 3h | 7 | Architecture | +10% build speed | - |
| Water Hammers | 5 | 4 | 5h | 11 | Craft Guilds, Bloomery Furnaces | +15% iron, +10% charcoal | - |
| Treadwheel Cranes | 5 | 4 | 5h | 10 | Master Builders | +10% stone, +5% build speed | - |
| Guild Halls | 6 | 5 | 8h | 13 | Water Hammers, Treadwheel Cranes | +5% all production | - |
| Blast Furnaces | 6 | 5 | 8h | 14 | Water Hammers | +25% iron, +15% charcoal | - |
| Manufactories | 7 | 6 | 12h | 16 | Guild Halls | +5% all production, +5% build speed | - |
| Industrious Realm | 8 | 8 | 18h | 18 | Manufactories, Blast Furnaces | +10% all production | - |
Farming
Fields, herds, mills and stores.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Crop Rotation | 1 | 1 | 10m | 0 | - | +10% apples, +10% vegetables | - |
| Milling | 1 | 1 | 15m | 1 | - | - | Bakery |
| Viticulture | 2 | 2 | 40m | 3 | Crop Rotation | - | Vineyard |
| Animal Husbandry | 2 | 2 | 30m | 2 | Crop Rotation | +15% cheese, +10% meat | - |
| Open Fields | 2 | 1 | 20m | 2 | Crop Rotation | - | Wheat Farm |
| Heavy Plough | 3 | 3 | 1h 30m | 5 | Animal Husbandry | +10% apples, +10% cheese, +10% vegetables, +10% bread | - |
| Cellars and Lofts | 3 | 2 | 1h | 4 | Milling | +20% storage | - |
| Windmills | 3 | 2 | 45m | 3 | Milling, Open Fields, Carpentry | - | Windmill |
| Fish Weirs | 3 | 2 | 1h | 3 | Animal Husbandry | +20% fish, +10% meat | - |
| Three Field System | 4 | 4 | 4h | 9 | Heavy Plough, Cellars and Lofts | +15% apples, +15% cheese, +15% meat, +15% bread, +15% vegetables, +15% fish | - |
| Selective Breeding | 4 | 3 | 3h | 6 | Heavy Plough, Fish Weirs | +15% cheese, +15% meat | - |
| Great Barns | 4 | 3 | 2h | 6 | Windmills | +20% wheat, +20% flour | - |
| Enclosure | 5 | 5 | 6h | 11 | Three Field System, Great Barns | +10% apples, +10% cheese, +10% meat, +10% bread, +10% vegetables, +10% fish, +10% wheat, +10% hops | - |
| Orchard Grafting | 5 | 4 | 5h | 10 | Selective Breeding, Viticulture | +20% apples, +10% wine | - |
| Market Gardens | 6 | 5 | 8h | 13 | Enclosure | +20% vegetables, +20% apples, +15% hops | - |
| Royal Granaries | 6 | 5 | 8h | 14 | Enclosure, Great Barns | +15% flour, +15% bread, +15% storage | - |
| New Husbandry | 7 | 7 | 14h | 17 | Market Gardens, Royal Granaries | +15% apples, +15% cheese, +15% meat, +15% bread, +15% vegetables, +15% fish, +15% wheat | - |
Trade
Brewing, storage, the wine trade and feasting.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Brewing | 1 | 1 | 15m | 1 | - | - | Brewery |
| Weights and Measures | 1 | 1 | 15m | 0 | - | +10% storage | - |
| Tavern Keeping | 2 | 2 | 40m | 3 | Brewing | +20% ale, +1 popularity | - |
| Warehousing | 2 | 2 | 1h | 3 | Weights and Measures | +15% storage | - |
| Hop Growing | 2 | 1 | 25m | 2 | Brewing | - | Hop Garden |
| Trade Routes | 2 | 2 | 45m | 3 | Weights and Measures | - | Trade Post |
| Wine Trade | 3 | 3 | 2h | 5 | Tavern Keeping, Viticulture | +25% wine, +5% renown | - |
| Storehouses | 3 | 2 | 1h | 3 | Warehousing | - | Storehouse |
| Salt Panning | 3 | 2 | 1h | 4 | Trade Routes | - | Salt Works |
| Master Brewers | 3 | 3 | 1h 30m | 5 | Hop Growing, Tavern Keeping | +20% ale, +15% hops | - |
| Barrel Vaults | 3 | 2 | 1h 30m | 5 | Warehousing | +4,000 storage room | - |
| Merchant Guilds | 4 | 4 | 5h | 8 | Wine Trade, Warehousing | +1 popularity, +10% renown | - |
| Feasting | 4 | 3 | 2h | 5 | Tavern Keeping, Storehouses | - | Banqueting Hall |
| Chartered Fairs | 4 | 3 | 3h | 7 | Salt Panning | +20% salt, +2 popularity | - |
| Undercrofts | 4 | 2 | 3h | 8 | Barrel Vaults | +10,000 storage room | - |
| Royal Charter | 5 | 5 | 8h | 11 | Merchant Guilds, Chartered Fairs | +10% storage, +10% renown | - |
| Minstrel Galleries | 5 | 3 | 3h | 8 | Feasting | +20% feast popularity, +25% feast length | - |
| Great Kitchens | 5 | 3 | 3h | 8 | Feasting | +25% shorter rest after a feast | - |
| Staple Rights | 5 | 3 | 5h | 11 | Undercrofts | +22,000 storage room | - |
| The High Table | 6 | 5 | 8h | 12 | Minstrel Galleries, Merchant Guilds | +30% feast Renown | - |
| Great Warehouses | 6 | 3 | 8h | 14 | Staple Rights | +40,000 storage room | - |
| Court of Revels | 7 | 7 | 14h | 15 | The High Table, Great Kitchens | +30% feast Renown, +50% feast length, +25% shorter rest after a feast | - |
| Legendary Hospitality | 8 | 9 | 20h | 18 | Court of Revels | +40% feast Renown, +30% feast popularity, +20% shorter rest after a feast | - |
Religion and Education
Chapels, schools and the Renown they bring.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Devotion | 1 | 1 | 15m | 1 | - | - | Chapel |
| Village School | 1 | 1 | 15m | 0 | - | +5% renown | - |
| Almsgiving | 2 | 2 | 40m | 3 | Devotion | +2 popularity | - |
| Scriptorium | 2 | 2 | 1h | 4 | Village School | +10% renown | - |
| Wayside Shrines | 2 | 1 | 20m | 1 | Devotion | - | Wayside Shrine |
| Herb Lore | 2 | 1 | 30m | 3 | Village School | - | Herbalist |
| Holy Relics | 3 | 3 | 2h | 6 | Almsgiving | +2 popularity, +5% renown | - |
| Parish Church | 3 | 3 | 2h | 6 | Almsgiving, Stonemasonry | - | Church |
| Cloister Library | 3 | 2 | 1h | 5 | Scriptorium | +10% research speed | - |
| Infirmary | 3 | 2 | 1h 30m | 5 | Herb Lore | +15% peasant arrival | - |
| University | 4 | 4 | 5h | 10 | Holy Relics, Scriptorium | +5% build speed, +15% renown | - |
| Pilgrimages | 4 | 3 | 3h | 8 | Holy Relics, Parish Church | +2 popularity, +5% renown | - |
| Cathedral Chapter | 5 | 5 | 8h | 12 | University, Pilgrimages, Master Builders | - | Cathedral |
| Illuminated Manuscripts | 5 | 4 | 6h | 12 | University | +10% renown | - |
| Schoolmen | 5 | 4 | 5h | 11 | University, Cloister Library | +15% research speed | - |
| Royal Academy | 6 | 6 | 10h | 15 | Schoolmen, Illuminated Manuscripts | +5% renown, +20% research speed | - |
Civic
Justice, housing, fountains and monuments.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Village Justice | 1 | 1 | 20m | 2 | - | - | Stocks |
| Village Green | 1 | 1 | 15m | 0 | - | +1 popularity | - |
| Sculpture | 1 | 1 | 30m | 3 | - | - | Village Statue |
| Harsh Justice | 2 | 2 | 45m | 4 | Village Justice | - | Gibbet |
| Census Rolls | 2 | 1 | 30m | 2 | Village Green | +20% peasant arrival | - |
| Reeves and Bailiffs | 3 | 3 | 2h | 5 | Harsh Justice | +5% all production | - |
| Heraldry | 3 | 3 | 2h | 6 | Sculpture | +3% renown | Lord's Statue |
| Manorialism | 3 | 3 | 2h | 6 | Census Rolls, Carpentry | - | Manor House |
| Waterworks | 3 | 2 | 1h | 4 | Sculpture, Stonemasonry | - | Village Fountain |
| Spycraft | 3 | 2 | 1h 30m | 5 | Census Rolls | - | Watch House |
| Civic Pride | 4 | 3 | 3h | 8 | Reeves and Bailiffs, Waterworks | +2 popularity | - |
| Monumental Masonry | 4 | 4 | 4h | 9 | Heraldry, Architecture | - | Obelisk |
| Ciphers | 4 | 3 | 3h | 7 | Spycraft | +5% less chance your spies are caught | - |
| Informers | 4 | 3 | 3h | 7 | Spycraft | +5% more chance of catching spies | - |
| Chartered Towns | 5 | 4 | 6h | 11 | Civic Pride, Manorialism | +10% storage, +20% peasant arrival | - |
| Royal Patronage | 5 | 5 | 8h | 12 | Monumental Masonry, Merchant Guilds | - | Grand Statue |
| Crown Favour | 6 | 6 | 12h | 14 | Chartered Towns, Royal Patronage | +15% renown | - |
Military
Drill, weapons and the march.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Militia Drill | 1 | 1 | 30m | 2 | - | +10% peasant attack | Captain, Militia |
| Swift Riders | 1 | 1 | 30m | 2 | - | +10% captain founding speed | - |
| Archery | 2 | 2 | 1h | 4 | Militia Drill | +10% archer attack | Archer, Crossbowman |
| Pike Drill | 2 | 2 | 1h | 4 | Militia Drill | +10% pikeman defence | Pikeman, Battering Ram |
| Veteran Levies | 2 | 1 | 45m | 3 | Militia Drill | +15% peasant attack | - |
| Quartermasters | 2 | 2 | 1h | 4 | Militia Drill | +5% training discount | - |
| Post Horses | 3 | 2 | 1h 30m | 5 | Swift Riders | +15% captain founding speed | - |
| Swordsmanship | 3 | 3 | 2h | 6 | Pike Drill | +10% swordsman attack | Swordsman, Knight |
| Longbows | 3 | 2 | 2h | 6 | Archery | +10% archer attack | - |
| Shield Walls | 3 | 2 | 2h | 6 | Pike Drill, Carpentry | +10% pikeman defence | - |
| Mustering Rolls | 3 | 2 | 1h 30m | 6 | Quartermasters | +20 soldiers kept per village | - |
| Mail Hauberks | 3 | 3 | 2h | 6 | Pike Drill | +5% armour for every soldier | - |
| Siegecraft | 4 | 3 | 3h | 8 | Archery, Swordsmanship | +15% catapult damage | Catapult, Trebuchet |
| Royal Couriers | 4 | 3 | 3h | 8 | Post Horses | +20% captain founding speed | - |
| Heavy Cavalry | 4 | 3 | 4h | 9 | Swordsmanship, Post Horses | +15% knight attack | - |
| Garrison Rolls | 4 | 3 | 3h | 9 | Mustering Rolls | +30 soldiers kept per village | - |
| Captaincy | 5 | 4 | 6h | 11 | Siegecraft | +25% march speed | Marshal |
| Military Engineers | 5 | 4 | 6h | 11 | Siegecraft, Master Builders | +15% catapult damage | - |
| Plate Armour | 5 | 4 | 6h | 11 | Mail Hauberks, Heavy Cavalry | +5% armour for every soldier | - |
| Mercenary Contracts | 5 | 4 | 6h | 11 | Garrison Rolls, Quartermasters | +10% training discount | - |
| Weaponsmiths' Guild | 5 | 3 | 3h | 8 | Mail Hauberks, Bloomery Furnaces | +20% bows, +20% pikes, +20% swords | - |
| War College | 6 | 5 | 10h | 14 | Captaincy, Military Engineers | +25% march speed, +10% swordsman attack | - |
| Royal Armouries | 6 | 5 | 10h | 14 | Weaponsmiths' Guild, Mercenary Contracts | +15% bows, +15% pikes, +15% swords, +50 soldiers kept per village | - |
| The Art of War | 7 | 7 | 14h | 16 | War College, Plate Armour | +10% attack for every soldier, +5% armour for every soldier | - |
| Host of the Realm | 8 | 9 | 20h | 18 | The Art of War, Royal Armouries | +10% attack for every soldier, +50 soldiers kept per village, +10% training discount | - |
Defence
Walls, towers and moats for your castle.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Palisades | 1 | 1 | 30m | 2 | - | +10% wall strength | Wooden Tower, Pitfall |
| Watchtowers | 2 | 2 | 1h | 4 | Palisades | +10% defending archer attack | Great Tower |
| Earthworks | 2 | 1 | 45m | 3 | Palisades | +5% wall strength, +10% castle building speed | - |
| Arrow Slits | 3 | 2 | 1h 30m | 5 | Watchtowers | +10% defending archer attack | - |
| Stone Walls | 3 | 2 | 1h 30m | 5 | Palisades, Stonemasonry | +15% wall strength | Stone Wall, Small Tower, Great Tower, Stone Gatehouse |
| Boiling Oil | 4 | 3 | 2h | 7 | Stone Walls | +20% oil pot damage | Pitch Trap, Boiling Oil |
| Moats | 4 | 3 | 2h | 7 | Stone Walls | +15% moat slowing | Moat |
| Fortification | 5 | 4 | 5h | 10 | Boiling Oil, Moats, Watchtowers | +20% castle building speed | Ballista Tower |
| Pitch Ditches | 5 | 3 | 4h | 10 | Boiling Oil, Pitch Extraction | +20% oil pot damage | - |
| Concentric Walls | 5 | 4 | 6h | 11 | Moats, Arrow Slits | +20% wall strength, +10% moat slowing | - |
| Castle Masons | 6 | 5 | 10h | 14 | Fortification, Concentric Walls | +20% castle building speed, +10% wall strength | - |
Roads and Riders
Carts, scouts and armies on the road, and how fast soldiers train.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Cart Tracks | 1 | 1 | 20m | 1 | - | +20% cart speed | - |
| Village Runners | 1 | 1 | 20m | 1 | - | +20% scout speed | - |
| Drill Square | 1 | 1 | 30m | 2 | - | +20% soldier training speed | - |
| Greased Axles | 2 | 2 | 45m | 3 | Cart Tracks | +30% cart speed | - |
| Woodcraft | 2 | 2 | 45m | 3 | Village Runners | +30% scout speed | - |
| Marching Songs | 2 | 2 | 1h | 3 | Drill Square | +20% march speed | - |
| Paved Roads | 3 | 3 | 2h | 5 | Greased Axles, Stonemasonry | +30% cart speed, +10% march speed | - |
| Outriders | 3 | 2 | 1h 30m | 5 | Woodcraft | +40% scout speed | - |
| Barracks Routine | 3 | 2 | 1h 30m | 5 | Marching Songs | +40% soldier training speed | - |
| Supply Wagons | 3 | 3 | 2h | 6 | Marching Songs, Greased Axles | +20% march speed | - |
| Draught Horses | 4 | 3 | 3h | 7 | Paved Roads | +40% cart speed | - |
| Signal Fires | 4 | 3 | 3h | 7 | Outriders | +40% scout speed | - |
| Forced Marches | 4 | 3 | 3h | 8 | Supply Wagons | +40% march speed | - |
| Recruiting Sergeants | 4 | 3 | 3h | 8 | Barracks Routine | +50% soldier training speed | - |
| Coaching Inns | 5 | 4 | 5h | 10 | Draught Horses | +50% cart speed | - |
| Spy Network | 5 | 4 | 5h | 10 | Signal Fires | +60% scout speed | - |
| The Old Roads | 5 | 4 | 6h | 11 | Forced Marches, Paved Roads | +40% march speed, +20% cart speed | - |
| Standing Army | 5 | 4 | 6h | 11 | Recruiting Sergeants | +60% soldier training speed | - |
| Royal Post | 6 | 5 | 8h | 13 | Coaching Inns, Spy Network | +60% cart speed, +40% scout speed | - |
| Mounted Columns | 6 | 5 | 8h | 13 | The Old Roads | +60% march speed | - |
| Drill Manuals | 6 | 5 | 8h | 13 | Standing Army | +70% soldier training speed | - |
| The King's Highway | 7 | 6 | 12h | 16 | Royal Post, Mounted Columns | +70% cart speed, +60% march speed | - |
| Master of Spies | 7 | 6 | 12h | 16 | Royal Post | +90% scout speed | - |
| Professional Soldiery | 7 | 6 | 12h | 16 | Drill Manuals, Mounted Columns | +80% soldier training speed, +20% march speed | - |
| Logistics of Empire | 8 | 8 | 18h | 18 | The King's Highway, Master of Spies, Professional Soldiery | +80% cart speed, +80% scout speed, +80% march speed, +80% soldier training speed | - |
Commerce
Prices at market, how many carts you run, how much each carries and what scouts haul home.
| Research | Tier | Points | Time | Min rank | Requires | Effects | Unlocks |
|---|---|---|---|---|---|---|---|
| Haggling | 1 | 1 | 20m | 2 | - | +10% market cut discount | - |
| Wagon Wrights | 1 | 1 | 20m | 2 | - | +50% cart load | - |
| Market Rights | 2 | 2 | 45m | 4 | Haggling | +10% market cut discount | - |
| Packhorse Trains | 2 | 2 | 45m | 4 | Wagon Wrights | +1 carts per village | - |
| Letters of Credit | 2 | 2 | 1h | 5 | Haggling | +5 leagues of market reach | - |
| Pack Baskets | 2 | 1 | 30m | 2 | Wagon Wrights | +50% scout carry | - |
| Factors Abroad | 3 | 3 | 2h | 7 | Market Rights, Letters of Credit | +5 leagues of market reach, +10% market cut discount | - |
| Ox Wains | 3 | 3 | 2h | 6 | Packhorse Trains | +100% cart load | - |
| Merchant League | 4 | 4 | 4h | 10 | Factors Abroad, Ox Wains | +1 carts per village, +10% market cut discount | - |
| Great Wains | 4 | 3 | 3h | 9 | Ox Wains | +150% cart load | - |
| Pack Ponies | 4 | 2 | 2h | 7 | Pack Baskets | +100% scout carry | - |
| Counting Houses | 5 | 5 | 6h | 12 | Merchant League | +5% renown, +15% market cut discount | - |
| Caravan Masters | 5 | 5 | 6h | 13 | Great Wains, Merchant League | +2 carts per village, +200% cart load | - |
| Merchant Princes | 6 | 7 | 12h | 16 | Counting Houses, Caravan Masters | +15% market cut discount, +10 leagues of market reach, +1 carts per village | - |
| Mule Trains | 6 | 2 | 6h | 12 | Pack Ponies | +150% scout carry | - |
| Wagon Trains | 7 | 4 | 12h | 16 | Caravan Masters | +400% cart load | - |