Sassanid Empire technologies
The civil and military research trees of Sassanid Empire (Sassanid, Grand Campaign), line by line as the game lays them out. Hover or tap a technology for its research points, gold per turn, effects, the buildings it unlocks and what it needs first. Sassanid Empire units.
COMPUTEDBoth trees together cost 47,000 research points. Each tooltip also shows what reaching that technology costs: its own points plus every technology it needs first, each counted once. Before research-rate bonuses.
Civil technologies (24)
Certificates & SealsCertificates & Seals300 research points · 1,000 research points to reach it (cheapest route)
Wealth: +5% from industrial buildingsRequires: Fixed Land TaxationUnlocks: Adobe Maker, Weaver. Real power through trade. Signed, sealed, delivered.
Improved Processing TechniquesImproved Processing Techniques600 research points · 1,600 research points to reach it (cheapest route)Wealth: +5% from industrial buildingsRequires: Certificates & SealsUnlocks: Mosaic Cutter, Adobe Kilns, Stone Cutter, Carpet Maker. Agriculture is the lifeblood of the people. More agriculture equals more life.
Labour ReformsLabour Reforms1,200 research points · 2,800 research points to reach it (cheapest route)
Construction cost: -5% for industrial buildingsRequires: Improved Processing TechniquesUnlocks: Mosaic Workshop, Builder's Workshop, Sculptor, Marble Quarry Complex, Lumber Camp. "Things can only get better. Or so they tell us…"
Royal WorkshopsRoyal Workshops2,000 research points · 8,600 research points to reach it (cheapest route)Construction cost: -10% for industrial and agricultural buildingsWealth: +5% from industrial and agricultural buildingsRequires: Labour Reforms, Perennial AgricultureUnlocks: Deep Gold Mine, Grand Forge, Foundry, Glass Workshop, Salt Trading Post. More, and better, goods will be produced. By royal decree.
Fixed Land TaxationFixed Land Taxation300 research points · 700 research points to reach it (cheapest route)Wealth: +5% from agricultural buildingsRequires: Centralised AuthorityUnlocks: Wheat Farm, Stables, Sheep Pens. Death and taxes are inevitable, but taxes require more attention.
Intensive AgricultureIntensive Agriculture600 research points · 1,300 research points to reach it (cheapest route)Wealth: +5% from animal husbandry buildingsRequires: Fixed Land TaxationUnlocks: Camel Farm, Cattle Pens. "Think big. This is about feeding US, forever."
Agricultural IntensificationAgricultural Intensification1,200 research points · 3,400 research points to reach it (cheapest route)Construction cost: -5% for farm buildingsRequires: Improved Processing Techniques, Intensive AgricultureUnlocks: Wheat Querns, Cattle Farm, Nisean Stables, Sheep Barn. A field can feed far more than its farmers alone.
Perennial AgriculturePerennial Agriculture2,000 research points · 5,400 research points to reach it (cheapest route)Wealth: +5% from agricultural and animal husbandry buildingsRequires: Agricultural IntensificationUnlocks: Camel Ranch, Fur Market, Olive Oil Mill, Fruit Dryer, Winery. The crops must grow, even in the dry season.
Cultural AssimilationCultural Assimilation200 research pointsUnlocks: City, Village. "Everything good? Persian."
Centralised AuthorityCentralised Authority200 research points · 400 research points to reach it (cheapest route)Requires: Cultural AssimilationUnlocks: Noble Estate. "What's yours is mine. That is to say, 'ours'…"
Division of LandsDivision of Lands100 research points · 2,300 research points to reach it (cheapest route)Requires: Private Ventures, Intensive AgricultureCosts 2,500 gold per turn while researched. Unlocks: Large City, Town, Qanat Network. Every man according to his need. This man needs a vineyard.
Social EthicsSocial Ethics100 research points · 2,400 research points to reach it (cheapest route)Construction cost: -10% for main settlement buildingsRequires: Division of LandsCosts 10,000 gold per turn while researched. Unlocks: Polo Pitch, Hamam, Shabestan, Arian Basilica, Arian Monastery, Arian Martyrium, Latin Basilica, Latin Monastery, Latin Martyrium, Stone Circle, Celtic Burial Site, Sacred Marsh, Blood Altar, Germanic Burial Site, Sacred Forest, Temple Precinct, Column of the Divine, Manichaeist Temple Complex, Manichaeist Monastery, Sun Shrine, Greek Basilica, Greek Monastery, Greek Martyrium, Celestial Temple, Shamanic Circle, Ossuary, Lakhmid Fire Temple, Fire Temple, Lakhmid Hilltop Shrine, Hilltop Shrine. For the state, and for your beliefs, do what is right for us all.
New Administrative SystemNew Administrative System100 research points · 7,600 research points to reach it (cheapest route)Requires: Agricultural Intensification, Standardisation of Currency, Social EthicsCosts 10,000 gold per turn while researched. Unlocks: Royal City, Country Town, Royal Hamam, Fountains, Yakhchal. "There are going to be some changes around here…"
Tax ReformsTax Reforms100 research points · 10,900 research points to reach it (cheapest route)
Tax rate: +5%Requires: New Administrative System, Systemised Laws & TaxationCosts 25,000 gold per turn while researched. Unlocks: Dye Factory, Gem Market, Jeweller, Majore Field, Arian Cathedral, Monastic Estates, Arian Sanctuary, Latin Cathedral, Monastic Hospice, Latin Sanctuary, Temple of Camulos, Celtic Barrows, Sacrificial Grounds, Temple of Wodan, Germanic Barrows, Irminsul, Imperial Cult Basilica, Basilica of Hermes, Basilica of Isis, Serapeum, Basilica of Sol Invictus, Altar of the Di Superi, Manichaeist Basilica, Manichaeist Library, Shrine of Light, Greek Cathedral, Greek Monastic School, Greek Sanctuary, Temple of the Eternal Sky, Ancestral Altar, Astudan, Lakhmid Temple of Great Fires, Temple of Great Fires, Lakhmid Pirangah, Pirangah. The tax is law. Failure to pay tax is punishable by that same law.
Duty of ConquestDuty of Conquest2,000 research points · 12,700 research points to reach it (cheapest route)Construction cost: -20% for religious buildingsConstruction time: -1 for main settlement buildings
Political action cost: -25% personal influence (all characters)
Public order: +1 from bureaucratic reformsRequires: Legal Theory & Practice, Perennial AgricultureThe king must always be seen to rule, and fight, in his people's name.
Divine SanctionDivine Sanction3,000 research points · 15,700 research points to reach it (cheapest route)Corruption: -5% of current valuePublic order: +5 from bureaucratic reforms
Religious influence: +4 state religionRequires: Duty of ConquestUnlocks: Imperial Palace. "In the sight of man and Zoroaster, I proclaim you King of Kings!"
Trade Taxes & CustomsTrade Taxes & Customs300 research points · 700 research points to reach it (cheapest route)
Wealth: +2% from commercial buildingsRequires: Centralised AuthorityUnlocks: Caravan Lodgehouse. Silk cannot flow over a broken road.
Private VenturesPrivate Ventures600 research points · 1,300 research points to reach it (cheapest route)Wealth: +5% from commercial buildingsRequires: Trade Taxes & CustomsUnlocks: Fishing Wharf, Trade Wharf, Food Trader. "A little bird told me SOMEONE likes silk..."
Standardisation of CurrencyStandardisation of Currency1,200 research points · 4,300 research points to reach it (cheapest route)Trade income: +3% trade agreement tariffsRequires: Private Ventures, Reformed BureaucracyUnlocks: Caravanserai, Food Market, Slave Trader, Spice Market. Truly, there is only one god, and that is coin.
Systemised Laws & TaxationSystemised Laws & Taxation2,000 research points · 7,500 research points to reach it (cheapest route)Wealth: +8% from commercial buildingsRequires: Circulation of Laws, Standardisation of CurrencyUnlocks: Fishing Port, Spice Trading Port, Trade Port, Silk Road Bazaar, Slave Market, Oriental Market. Before, only death was certain. Now, taxes will follow.
Control of InstitutionsControl of Institutions600 research points · 1,300 research points to reach it (cheapest route)Wealth: +3% from cultural buildingsRequires: Trade Taxes & CustomsUnlocks: Library, Magistrate's Palace. "The Shahanshah does not believe in privatisation."
Reformed BureaucracyReformed Bureaucracy1,200 research points · 2,500 research points to reach it (cheapest route)Wealth: +5% from cultural buildingsRequires: Control of InstitutionsUnlocks: Gardens, Palace. Power is not a means, it is an end.
Circulation of LawsCirculation of Laws1,200 research points · 3,700 research points to reach it (cheapest route)Public order: +2 from bureaucratic reformsRequires: Reformed BureaucracyUnlocks: Academy, Governor's Palace. It doesn't matter how you hear about the law, so long as you obey it. Without question.
Legal Theory & PracticeLegal Theory & Practice2,000 research points · 5,700 research points to reach it (cheapest route)Construction cost: -15% for civic buildingsWealth: +7% from cultural buildings
Political incidents: -20% chance of occuringRequires: Circulation of LawsUnlocks: Imperial Gardens, Grand Palace. "I am your lawful ruler. Therefore, the lands you lay claim to are mine, by right."
Military technologies (24)
Iron TaxIron Tax300 research points · 1,000 research points to reach it (cheapest route)
Upkeep cost: -2% for all unitsRequires: Cavalry Recruitment ReformsGreatness in arms must be paid for.
Land GrantsLand Grants600 research points · 1,600 research points to reach it (cheapest route)
Recruitment cost: -10% for infantry unitsRequires: Iron TaxA field to fight, another to live.
Standardised RemunerationStandardised Remuneration1,200 research points · 4,700 research points to reach it (cheapest route)Upkeep cost: -5% for all unitsRequires: Advanced Archery Training, Land Grants"Differences in pay are bad for morale. And for my coffers."
Mercenary ContractsMercenary Contracts2,000 research points · 6,700 research points to reach it (cheapest route)Upkeep cost: -25% for mercenary unitsRequires: Standardised Remuneration"I don't care who you are. You fight for us now."
Cavalry Recruitment ReformsCavalry Recruitment Reforms300 research points · 700 research points to reach it (cheapest route)
Recruitment cost: -10% for cavalry unitsRequires: Forced ConscriptionIf a man can ride, who cares where he found the horse?
Parthian Mounted TacticsParthian Mounted Tactics600 research points · 1,400 research points to reach it (cheapest route)
Battle movement speed: +5%Requires: Cavalry Recruitment Reforms, Persian Military Legacy"Like the Parthians, fly, and kill with a retreating eye."
Advanced Archery TrainingAdvanced Archery Training1,200 research points · 2,600 research points to reach it (cheapest route)
Missile damage: +10%Requires: Parthian Mounted Tactics"Our arrows will blot out the sun."
Combined Force TacticsCombined Force Tactics2,000 research points · 7,800 research points to reach it (cheapest route)Fatigue rate: -20%
Charge bonus training: +10% for cavalry recruitsRequires: Advanced Archery Training, Military Settlement, Standardised RemunerationArchers hiding amongst heavy cavalry are no easy prey.
KataphractoiKataphractoi200 research pointsUnlocks: Cavalry Corral, Training Grounds, Levy Camp, Militia Quarters. There is no such thing as "too much" when armour is involved.
Forced ConscriptionForced Conscription200 research points · 400 research points to reach it (cheapest route)Requires: KataphractoiUnlocks: Infantry Quarters, Levy Centre. "You're in the army now."
Persian Military LegacyPersian Military Legacy100 research points · 500 research points to reach it (cheapest route)Requires: Forced ConscriptionCosts 2,500 gold per turn while researched. Unlocks: Military Wharf, Azadan Barracks, Militia Encampment. Loyalty to the Shahanshah, above all else.
War Elephant HusbandryWar Elephant Husbandry100 research points · 2,400 research points to reach it (cheapest route)Requires: Parthian Mounted Tactics, Regimentation of EquipmentCosts 10,000 gold per turn while researched. Unlocks: Azadan Compound. Battle-hardened, one careful owner, all its own tusks…
Military SettlementMilitary Settlement100 research points · 2,500 research points to reach it (cheapest route)Requires: War Elephant HusbandryCosts 10,000 gold per turn while researched. Unlocks: Infantry Barracks, Militia Compound. "I who keep you, teach you, feed you. In return you will fight at my behest."
Military AristocracyMilitary Aristocracy100 research points · 3,800 research points to reach it (cheapest route)Requires: Military Settlement, State-Funded SuppliesCosts 25,000 gold per turn while researched. Unlocks: Military Port, Royal Stables, Royal Barracks. Only those of noble birth have the strength to lead.
Universal Combat TrainingUniversal Combat Training2,000 research points · 16,800 research points to reach it (cheapest route)
Unit experience: +1 for all recruits
Integrity: +1Requires: Combined Force Tactics, New Supply System & Armament Stores"A top secret project, designed to create the perfect soldier…"
The Military CodeThe Military Code3,000 research points · 19,800 research points to reach it (cheapest route)Upkeep cost: -5% for all units
Recruitment capacity: +1Unit experience +1 experience for azedan unitsRecruitment cost: -33% for Sassanid Immortal units
Recruitment capacity: +1 when hording.Requires: Universal Combat TrainingThey live and die by the code. The code is law.
Equipment LawEquipment Law300 research points · 700 research points to reach it (cheapest route)Ammunition: +5%Requires: Forced ConscriptionUnlocks: Armourer, Blacksmith, Carpenter. "A hundred drahms from the man without a sword!"
Regimentation of EquipmentRegimentation of Equipment600 research points · 1,300 research points to reach it (cheapest route)Ammunition: +10% for missile infantryRequires: Equipment LawUnlocks: Carpentry Workshop. Armed and armoured to kill as one.
State-Funded SuppliesState-Funded Supplies1,200 research points · 2,500 research points to reach it (cheapest route)Ammunition: +10% for missile cavalryRequires: Regimentation of EquipmentUnlocks: Armoury, Weaponsmith. From the hands of the King of Kings, to you.
New Supply System & Armament StoresNew Supply System & Armament Stores2,000 research points · 8,300 research points to reach it (cheapest route)Ammunition: +10% for artilleryRequires: Secret Supply Conduits, State-Funded SuppliesUnlocks: Royal Armoury, Royal Weaponsmith, Siege Workshop. History teaches us that you can never have too many swords.
Battle DrillsBattle Drills600 research points · 1,300 research points to reach it (cheapest route)Unit experience +2 experience for levy unitsRequires: Equipment LawHow an armed mob becomes a fighting unit.
Official InspectionsOfficial Inspections1,200 research points · 2,500 research points to reach it (cheapest route)
Enables construction of medium siege enginesUnit experience +1 experience for non-levy infantry unitsRequires: Battle DrillsTruth is confirmed by inspection and delay; falsehood by haste and uncertainty.
Secret Supply ConduitsSecret Supply Conduits2,000 research points · 4,500 research points to reach it (cheapest route)Attrition: -30% when under siege (all forces)
Siege holdout time: +1 (double for city-ports)Ammunition: +25% during siege defence battlesRequires: Official InspectionsThe cities may fall to flame and steel, but never to the ignobility of starvation and pestilence.
Foreign Siege MethodsForeign Siege Methods2,000 research points · 10,300 research points to reach it (cheapest route)Missile attack rate: +10 for siege unitsEnables construction of heavy siege enginesAttrition: -30% when laying siege (all forces)
Enemy siege holdout time: -1 (double for city-ports)Requires: New Supply System & Armament StoresThe higher a wall, the more determined one should be to get to the other side.
From technology_node_sets, technology_nodes (with this faction's own nodes in place of the shared ones), technology_node_links, technology_effects_junction and building_level_required_technology_junctions (Steam build 25370302).