There are 19 civs on the map. They include, in alphabetical order...
The Britons:
The icon is the same as Rome's.
"One and All" - +25% Production towards any buildings that already exist in the Capital. Glastonbury subkingdom.
Unique Unit - Legion - Same as Roman unit.
Unique Unit - Cataphract - Same as Byzantine unit.
Connacht:
"Neither Fear, nor Spurn" - Food and Culture from friendly City-States increased by 50%. Gain 90 Influence with a Great Person gift to a City-State.
Unique Unit - Fianna - A Connacht unique unit, this Spearman replacement is perfectly suited for early rushes. A Fianna can lay waste to an opponents' lands, quickly pillaging and moving within the same turn. Additionally, they have a bonus to attack and they gain health from killing their enemies.
Unique Building - Irish Monastery - The Connacht Unique Building, the Irish Monastery holds one specialist slot for writers in addition to the usual benefits of a Monastery. It does not require faith, but may be constructed or purchased at Monasticism Tech.
Cymru:
"High King's Legacy" - City-State Influence degrades at half and recovers at twice the normal rate. Pengwern subkingdom.
Unique Unit - Uchelwyr - The Uchelwyr are the Cymru replacement for the Horseman. They have lower strength than the Horseman but they are very mobile at 5 movement and great at hit and run tactics with Skirmisher and Hit and Run promotions.
Unique Building - Yeoman's Hall - The Yeomen's hall is a unique building for the Cymru civilization replacing the Barracks. It adds +1 Happiness. As well, it provides the Welsh Yeoman resource allowing the training of Welsh Bowmen and Welsh Longbowmen. Furthermore, all military units constructed in this city receive 15 experience points, and archer type units receive a further 15 experience points.
Dal Riata:
"Spare not!" - Buildings produced 1/3 faster. Pastures give +1 food and production.
Unique Unit - Irish Missionary - Dalriada replacement for the Missionary. Irish Missionaries are a special subtype of missionary that, in addition to converting cities (at 1/2 the rate of normal missionaries), can be used to excavate Relic Sites to either create Landmark improvements or to extract Relics to fill in Great Work of Art slots. Irish Missionaries may work in territory owned by any player and suffer only minor attrition. They are consumed once they complete a Relic Site or attempt conversion on 1 city. Irish Missionaries may not be purchased with Gold but require Faith.
Unique Building - Columban Abbey - The Dalriatan version of the Temple, the Columban Abbey costs less in maintenance. As well as +2 Faith, it also produces +1 Culture. The Columban Abbey has a slot for an Art or Artifact Great Work.
Denmark:
"From the fury of the Northmen release us, O Lord!" - Naval Melee units receive the Longship promotion. Free Great Heathen Army units with capture of enemy cities. Free pillage moves for melee.
Unique Unit - Bondi - At 16 Strength, this Unit is stronger in attack than the Swordsman, which it replaces. It has the Skjaldborg promotion.
Unique Improvement - The Trelleborg provides +50% [ICON_STRENGTH] Defensive Strength for any Unit stationed in this Tile. This improvement also increases yield on a plot by 1 culture, 1 gold and 1 production. Each Trelleborg in a workable tile of a city will increase xp for units built in the city by 3%.
Domaine Royal of France:
The icon is the same as France's.
"The City of Light" - Only one city allowed. No annexing. All cities transferred to Franks. Gain Science and Gold from buildings built by Franks. Construction of iron and horse units spawns units in Frank cities that have improved iron and horse resources.
Unique Building - Capetian Palace - The Capetian Palace is the Domaine Royal of France version of the Palace. In addition to the usual benefits of the Palace, it has 4 Great Work slots. It also increases Culture generated by the capital by 50%.
Unique Improvement - Chateau - as per France UI except buildable at Nobility with +1 Culture at Chivalry.
Frisia:
"Eala Frya Fresena!" - Resource diversity grants twice as much Gold in Trade Routes. Fort improvements yield +1 food and production. Unimproved Marsh yields extra food and can build Polder Improvement in Marsh.
Unique Building - Frisian Guild - The Frisian Guild is the unique version of the Market for Frisia. It adds +1 Gold to the city and total Gold is increased by 25%. Land and Sea trade routes distances are increased by 50% and +1 Gold is gained for both the recipient and target. Production from trade routes is increased by 5%. Finally, it yields +2 Lumber.
Unique Improvement - Polder - this marsh improvement yields +2 Food and +1 Production. Extra Food, Production and Gold are added at Machinery.
Hladir:
The icon is the same as Denmark's from the DLC #6.
"Norse Sagas" - Naval Melee units recieve the Longship promotion. Units may embark across any water hex in any era. All coastal Cities get a free Harbor. +1 culture and science from fishing boats.
Unique Building - Runestone - The Runestone is a Hladir unique building replacing the Monument. In addition to Culture, the Runestone increases the Science and local Happiness of a city by 1. Due to their importance to Viking lore and tradition, Runestones also allow water trade and increase range of Cargo ships by 50%.
Unique Improvement - Vik - Can only be constructed on coasts on tiles with no resources and not adjacent to another Vik. May be built in tiles adjacent to friendly tiles. Produces +1 Food and +2 Gold, and captures all adjacent coastal land and coastal sea tiles. After Guilds is researched, provides an additional +1 Food and +2 Gold.
Holy Roman Empire:
"Carolingian Legacy" - No settlers nor annexing of cities. Purchase in puppeted cities. Puppets give bonuses towards Gold, Great Persons and Golden Age generation and length. In Golden Ages, units have +1 Movement and a +10% Strength. Bruges subkingdom.
Unique Building - Hanseatic League - The Holy Roman Empire replacement for the Kontor National wonder. It has no prerequisite building requirements (unlike the Kontor) and adds 2 extra trade routes.
Unique Building - Imperial Stable - The Holy Roman Empire replacement for the Stable. In addition to the usual restrictions and benefits of a Stable, the Imperial Stable adds extra Gold for pastures. Mounted units produced in a city with an Imperial Stable also receive the Mass Charge promotion.
Mercia:
"Let Thine Enemies be Scattered" - Combat Strength +20% when fighting City-State units or cities. Receive 50% culture from kills. Lindisware subkingdom.
Unique Unit - Seaxman - The Seaxman is an Anglo-Saxon (Mercia, Northumbria, and Wessex) unique unit replacing the Swordsman. It has a slightly higher Combat Strength than the Swordsman, which it replaces. It starts with the Survivalism and Scildtruma promotions.
Unique Building - Moot Hill - The Moot Hill is the unique replacement of the Courthouse for the Kingdom of Mercia. It arrives earlier than the Courthouse with Iron Working technology. It has reduced cost and maintenance as well as increasing Happiness in a city by 1. A Ceorl unit is spawned at construction.
Munster:
"The Strong Hand Uppermost" - Units fight as though they were at full strength even when damaged.
Unique Building - Buannaidhe Sept - The Buannaidhe Sept is the Munster version of the Mercenary Guild. It provides +1 Gold and allows the construction of Mercenary units. It adds +15 XP to Mercenary units. One Mercenary unit may be built every two Mercenary Guilds a player has in his cities. In addition, the building supplies +2 Gallowglass resources which can be used to construct Gallowglass units.
Unique Building - Ceilidh Hall - The Ceilidh Hall is a Medieval-era building unique to the Kingdom of Munster, replacing the Amphitheater. It increases the city's Culture and Happiness.
Normandy:
The icon is from DLC #6 Normans.
"Look I have already grasped my Kingdom" - All melee and mounted units receive the Conqueror promotion. Receive extended Golden Ages or added Golden Age points when at least one peace treaty is in effect.
Unique Building - Norman Keep - The Norman Keep is a unique building replacing the keep. It adds 100 strength and 10 hit points to the city defense. It increases Happiness in a city. As well, it generates +1 Gold for every 4 population. Mounted units get the Massed Charge promotion.
Unique Improvement - An Norman improvement, the Motte-and-Bailey Keep provides +50% Defensive Strength for any Unit stationed in this Tile. Any enemy unit which ends its turn next to Motte-and-Bailey Keep takes 10 damage. This improvement also increases yield on a plot by 1 culture and 2 gold with 1 more gold at Nobility. Finally, the Motte-and-Bailey Keep will capture all adjacent tiles upon construction.
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