Royal Decrees

In Total War Saga: Troy, Royal Decrees are technological upgrades that last permanently. Each decree requires a certain amount of turns before it is issued. Having a higher administration efficiency rating reduces the amount of turns it takes. Some latterly decrees require an upfront payment of resources as they are being issued.

There is a separate tech-tree for each of the 5 different resources. Each character starts with two primary decrees already issued.

Diagram[]

				Royal Granaries⁽⁷⁾
			↙		↘
Fleet-footed Might⁽⁷⁾	←	Fleet-footed Royal Recruits⁽⁵⁾				Public Service⁽³⁾
		↓					↘
		Fleet-footed Resilience⁽⁶⁾						Planning for Production⁽⁷⁾
	↙		↘				↙		↘
Slaves & Herbs⁽⁵⁾ (cost: 4000 Food)				Rationing⁽¹⁾ (cost: 5000 Food)		Building the Future⁽⁸⁾				Feeding the War Machine⁽¹⁾ (cost: 400 Gold)

				Royal Timber⁽⁷⁾
				↓	↘
		Military Builders⁽⁶⁾	←	Military Architects⁽³⁾		Royal Hunters⁽⁵⁾
	↙		↘			↓
Craving for Conflict⁽¹⁾ (cost: 300 Gold)				Blockade Drills⁽⁶⁾		Skirmisher Endurance Training⁽⁶⁾	→	Skirmisher Speed Training⁽⁷⁾
				↓					↘
				Beast of War⁽¹⁾ (cost: 6000 Wood)						Skirmisher Accuracy Training⁽¹⁾ (cost: 4000 Wood)

				Royal Stone⁽⁷⁾
				↓	↘
		Divine Architects⁽⁵⁾	←	The People's Feast⁽⁶⁾		Songs of the Age⁽³⁾
		↓					↘
		Divine Builders⁽⁶⁾						Master Architects⁽⁷⁾
	↙		↘				↙		↘
Sacrificial Tithes⁽¹⁾ (cost: 500 Stone)				Entreating the Infinite⁽¹⁾ (cost: 1000 Stone)		Strength Through Stone⁽¹⁾ (cost: 450 Gold)				Master Builders⁽⁸⁾

				Royal Bronze⁽⁷⁾
			↙		↘
		Oath of Allegiance⁽⁵⁾				Royal Recruits⁽⁶⁾
	↙		↘				↘
Chiron's Wisdom⁽⁶⁾				Agents of the Throne⁽⁶⁾				Resilience⁽⁷⁾
↓				↓			↙		↘
Righteous Killers⁽¹⁾ (cost: 500 Bronze)				Divine Rule⁽¹⁾ (cost: 350 Gold)		Might⁽⁸⁾				Gold for Bronze⁽¹⁾ (cost: 400 Gold)

				Treasure Hall⁽⁷⁾
			↙		↘
Honouring Our Blood⁽¹⁾ (cost: 400 Gold)	←	Cadence Drills⁽⁸⁾				Bronze-clad Royal Recruits⁽⁷⁾
		↓	↘				↘
		Marching Drills⁽⁹⁾		Glory's Share⁽¹⁾ (cost: 700 Bronze)				Bronze-clad Resilience⁽⁸⁾
		↓					↙		↘
		Epic Resilience⁽¹⁰⁾				Master Armourers⁽¹⁾ (cost: 800 Bronze)				Bronze-clad Might⁽⁹⁾

• number in the brackets indicate the default number of turns needed for the decree to be issued.

• hover the cursor over a decree to learn more about its effects.

List[]

Royal Granaries (7)
+280 food per turn
- Public Service (3)
  +10 to growth
  - Planning for Production (7)
    -12% to construction cost of all production buildings
    - Feeding the War Machine (1) (cost: 400 Gold)
      +560 food per turn
    - Building the Future (8)
      -1 to construction time of all production buildings
- Fleet-footed Royal Recruits (5)
  -12% to recruitment cost of all light infantry
  - Fleet-footed Might (7)
    +18% to melee attack of all light infantry
  - Fleet-footed Resilience (6)
    +15% to melee defence of all light infantry
    - Rationing (1) (cost: 5000 Food)
      -10% to upkeep cost of all units
    - Slaves & Herbs (cost: 4000 Food) (5)
      +4% to casualty replenishment rate of all units

Royal Timber (7)
+100 wood per turn
- Military Architects (3)
  -7% to construction cost of all military buildings
  - Military Builders (6)
    -1 to construction time of all military buildings
    - Craving for Conflict (1) (cost: 300 Gold)
      +200 wood per turn
    - Blockade Drills (6)
      -1 to enemy siege holdout time
      - Beast of War (1) (cost: 6000 Wood)
        unlocks Trojan Horse siege tower
- Royal Hunters (5)
  -5% to recruitment cost of all missile units
  - Skirmisher Endurance Training (6)
    +15% to ammunition of all missile units
    - Skirmisher Speed Training (7)
      +10% reload skill of all missile units
      - Skirmisher Accuracy Training (1) (cost: 4000 Wood)
        +10% to missile damage of own missile units

Royal Stone (7)
+80 stone per turn
- Songs of the Age (3)
  +3 to influence
  - Master Architects (7)
    8% to construction cost of all civil buildings
    +1 to siege holdout time
    - Strength Through Stone (1) (cost: 450 Gold)
      +160 stone per turn
    - Master Builders (8)
      -1 to construction time of all civil buildings
- The People's Feast (6)
  +2 to happiness
  - Divine Architects (5)
    -5% to wood constriction costs
    -10% to construction cost of all temple buildings
    - Divine Builders (6)
      -1 to construction time of all temple buildings
      - Entreating the Infinite (1) (cost: 1000 Stone)
        +2 favour per turn of all the gods
      - Sacrificial Tithes (1) (cost: 500 Stone)
        +10 favour gained from a hecatomb
        -50% to cost of a hecatomb

Royal Bronze (7)
+90 bronze per turn
- Oath of Allegiance (5)
  20% to action cost of all agents
  - Chiron's Wisdom (6)
    +2 to recruit rank of heroes
    -10% cooldown time of abilities
    - Righteous Killers (1) (cost: 500 Bronze)
      +25% Aristeia gained by heroes
  - Agents of the Throne (6)
    +3 to recruit rank of agents
    - Divine Rule (1) (cost: 350 Gold)
      +10% to morale of all units
- Royal Recruits (6)
  -10% to recruitment cost of all medium infantry
  - Resilience (7)
    +15% to melee defence of all medium infantry
    - Gold for Bronze (1) (cost: 400 Gold)
      +180 bronze per turn
    - Might (8)
      +15% to melee attack of all medium infantry

Treasure Hall (7)
+20 gold per turn
- Bronze-clad Royal Recruits (7)
  -8% to recruitment cost of all heavy infantry
  - Bronze-clad Resilience (8)
    +10% to melee defence of all heavy infantry
    - Master Armourers (1) (cost: 800 Bronze)
      +8 to armour of all units
    - Bronze-clad Might (9)
      +10% to melee defence of all heavy infantry
- Cadence Drills (8)
  +8% to battle speed of all units
  - Glory's Share (1) (cost: 700 Bronze)
    +20% treasures looted after battle
  - Honouring Our Blood (1) (cost: 400 Gold)
    +30 to diplomatic relations of trojan war alliance tribes
  - Marching Drills (9)
    +5% campaign movement range of all armies
    - Epic Resilience (10)
      -33% attrition due to sieges, agent actions and sea travel