Upgrades

The Scorched Queen has decided that the Smoldering City requires 7 new great work projects: the Obsidian Archives, the Monastery of the Vigilant Flame, the Pioneers' Gate, the First Dawn Headquarters, the Dim Square, the Brass Forge, and the Vanguard Spire.

From the Upgrades tab of the Smoldering City, you can spend Citadel Resources - such as Food Stockpiles, Artifacts, and Machinery - to construct and upgrade these great works. Each great work improves your Settlements' chances for survival in a particular way, and certain upgrade levels will unlock new game features.

Overview

Each level of the great works grants:

• Obsidian Archives - Queen's Patience: -2% to the speed at which the Queen's Impatience grows per upgrade level (max. -34%)
• Monastery of the Vigilant Flame - Everlasting Flames: +2% to burning duration for all fuels burned in the Hearth per upgrade level (max. +18%)
• Pioneers' Gate - Villager Speed Increase: +2% increase to Villager walking speed per upgrade level (max. +20%)
• First Dawn Headquarters - Unforeseen Riches: +1% boost to the chance of obtaining bonus production yields per upgrade level (max. +10%)
• Dim Square - Quicker Trader Arrival: +3% bonus to trader arrival speed per upgrade level (max. +27%)
• Brass Forge - Production Speed Increase: +2% boost to global production speed per upgrade level (max. +18%)
• Vanguard Spire - Gathering Technique: +1 available charge to all resource deposits per upgrade level (max. +9)

Other rewards include:

• Obsidian Archives - increases the Citadel Resource rewards for completing a Settlement, and unlocks many new game features such as Consumption Control, Rainpunk Engines, rival Viceroys, Royal Expeditions, Timed Orders, Training Expeditions
• Monastery of the Vigilant Flame - increases your Cornerstone pool and reroll chances
• Pioneers' Gate - increases your Embarkation points, and extends the vision of your Settlements and your Embarkation range
• First Dawn Headquarters - adds new Embarkation choices and increases your Embarkation points
• Dim Square - allows and increases the number of Trade Routes, and improves the cost and availability of Perks/Blueprints from Traders
• Brass Forge - allows Hearth upgrades, and increases worker and building capacities
• Vanguard Spire - adds race-specific Housing to your Essential Buildings and improves your Caravan choices and Newcomers

Statistics

• Total number of upgrades: 85
• Total cost of upgrades: 6334 Food + 480 Artifacts + 526 Machinery

List of Upgrades

Upgrade	Level	Cost	Total cost	Reward	Total bonus
Brass Forge 01	04	24 Food	24 Food
Brass Forge 02	05	30 Food + 6 Artifacts	54 Food + 6 Artifacts
Brass Forge 03	07	48 Food + 6 Machinery	102 Food + 6 Artifacts + 6 Machinery
Brass Forge 04	08	48 Food + 12 Machinery + 12 Artifacts	150 Food + 18 Artifacts + 18 Machinery
Brass Forge 05	09	60 Food + 12 Machinery	210 Food + 18 Artifacts + 30 Machinery
Brass Forge 06	11	72 Food + 12 Artifacts	282 Food + 30 Artifacts + 30 Machinery
Brass Forge 07	12	84 Food	366 Food + 30 Artifacts + 30 Machinery
Brass Forge 08	14	108 Food	474 Food + 30 Artifacts + 30 Machinery
Brass Forge 09	15	120 Food + 30 Machinery	594 Food + 30 Artifacts + 60 Machinery
Brass Forge 10	17	132 Food	726 Food + 30 Artifacts + 60 Machinery
Brass Forge 11	18	156 Food + 40 Machinery	882 Food + 30 Artifacts + 100 Machinery
Dim Square 01	04	24 Food	24 Food
Dim Square 02	06	36 Food	60 Food
Dim Square 03	07	36 Food + 6 Artifacts	96 Food + 6 Artifacts
Dim Square 04	09	60 Food + 12 Artifacts	156 Food + 18 Artifacts
Dim Square 05	10	60 Food	216 Food + 18 Artifacts
Dim Square 06	11	72 Food + 12 Machinery + 12 Artifacts	288 Food + 30 Artifacts + 12 Machinery
Dim Square 07	13	96 Food + 18 Machinery	384 Food + 30 Artifacts + 30 Machinery
Dim Square 08	14	108 Food + 24 Artifacts	492 Food + 54 Artifacts + 30 Machinery
Dim Square 09	15	120 Food + 30 Artifacts	612 Food + 84 Artifacts + 30 Machinery
Dim Square 10	16	132 Food	744 Food + 84 Artifacts + 30 Machinery
First Dawn Headquarters 01	03	12 Food	12 Food
First Dawn Headquarters 02	04	24 Food	36 Food
First Dawn Headquarters 03	06	36 Food	72 Food
First Dawn Headquarters 04	08	48 Food	120 Food
First Dawn Headquarters 05	09	60 Food	180 Food
First Dawn Headquarters 06	10	60 Food + 12 Machinery + 12 Artifacts	240 Food + 12 Machinery + 12 Artifacts
First Dawn Headquarters 07	12	84 Food	324 Food + 12 Machinery + 12 Artifacts
First Dawn Headquarters 08	13	96 Food + 18 Artifacts	420 Food + 12 Machinery + 30 Artifacts
First Dawn Headquarters 09	14	108 Food + 24 Machinery + 24 Artifacts	528 Food + 36 Machinery + 54 Artifacts
First Dawn Headquarters 10	17	144 Food	672 Food + 36 Machinery + 54 Artifacts
First Dawn Headquarters 11	18	156 Food + 40 Machinery	828 Food + 76 Machinery + 54 Artifacts
Monastery of the Vigilant Flame 01	02	10 Food	10 Food
Monastery of the Vigilant Flame 02	03	12 Food	22 Food
Monastery of the Vigilant Flame 03	05	24 Food + 3 Machinery	46 Food + 3 Machinery
Monastery of the Vigilant Flame 04	06	24 Food + 6 Artifacts	70 Food + 3 Machinery + 6 Artifacts
Monastery of the Vigilant Flame 05	08	48 Food	118 Food + 3 Machinery + 6 Artifacts
Monastery of the Vigilant Flame 06	10	60 Food + 12 Machinery	178 Food + 15 Machinery + 6 Artifacts
Monastery of the Vigilant Flame 07	11	72 Food + 12 Machinery + 12 Artifacts	250 Food + 27 Machinery + 18 Artifacts
Monastery of the Vigilant Flame 08	12	84 Food + 12 Machinery + 12 Artifacts	334 Food + 39 Machinery + 30 Artifacts
Monastery of the Vigilant Flame 09	13	96 Food	430 Food + 39 Machinery + 30 Artifacts
Monastery of the Vigilant Flame 10	16	132 Food + 30 Machinery	562 Food + 69 Machinery + 30 Artifacts
Monastery of the Vigilant Flame 11	17	144 Food	706 Food + 69 Machinery + 30 Artifacts
Monastery of the Vigilant Flame 12	18	156 Food + 40 Artifacts	862 Food + 69 Machinery + 70 Artifacts
Obsidian Archive 01	01	10 Food	10 Food
Obsidian Archive 02	02	10 Food	20 Food
Obsidian Archive 03	03	18 Food	38 Food
Obsidian Archive 04	04	24 Food	62 Food
Obsidian Archive 05	05	30 Food	92 Food
Obsidian Archive 06	06	36 Food	128 Food
Obsidian Archive 07	07	36 Food	164 Food
Obsidian Archive 08	08	48 Food	212 Food
Obsidian Archive 09	09	60 Food + 12 Artifacts	272 Food + 12 Artifacts
Obsidian Archive 10	10	60 Food	332 Food + 12 Artifacts
Obsidian Archive 11	11	72 Food + 12 Machinery	404 Food + 12 Artifacts + 12 Machinery
Obsidian Archive 12	12	84 Food	488 Food + 12 Artifacts + 12 Machinery
Obsidian Archive 13	13	96 Food + 18 Machinery + 18 Artifacts	584 Food + 30 Artifacts + 30 Machinery
Obsidian Archive 14	14	108 Food	692 Food + 30 Artifacts + 30 Machinery
Obsidian Archive 15	15	120 Food + 30 Artifacts	812 Food + 60 Artifacts + 30 Machinery
Obsidian Archive 16	16	130 Food + 30 Machinery + 30 Artifacts	942 Food + 90 Artifacts + 60 Machinery
Obsidian Archive 17	17	144 Food + 40 Machinery	1086 Food + 90 Artifacts + 100 Machinery
Obsidian Archive 18	18	156 Food	1242 Food + 90 Artifacts + 100 Machinery
Pioneers' Gate 01	03	12 Food	12 Food
Pioneers' Gate 02	05	24 Food	36 Food
Pioneers' Gate 03	06	36 Food	72 Food
Pioneers' Gate 04	07	36 Food + 6 Artifacts	108 Food + 6 Artifacts
Pioneers' Gate 05	08	48 Food + 12 Artifacts	156 Food + 18 Artifacts
Pioneers' Gate 06	09	60 Food + 12 Machinery	216 Food + 18 Artifacts + 12 Machinery
Pioneers' Gate 07	10	60 Food + 12 Artifacts	276 Food + 30 Artifacts + 12 Machinery
Pioneers' Gate 08	12	84 Food + 12 Machinery + 12 Artifacts	360 Food + 42 Artifacts + 24 Machinery
Pioneers' Gate 09	14	108 Food + 24 Machinery	468 Food + 42 Artifacts + 48 Machinery
Pioneers' Gate 10	15	120 Food	588 Food + 42 Artifacts + 48 Machinery
Pioneers' Gate 11	16	132 Food	720 Food + 42 Artifacts + 48 Machinery
Pioneers' Gate 12	17	144 Food + 40 Machinery	864 Food + 42 Artifacts + 88 Machinery
Vanguard Spire 01	04	24 Food + 3 Machinery	24 Food + 3 Machinery
Vanguard Spire 02	05	36 Food + 6 Machinery	60 Food + 9 Machinery
Vanguard Spire 03	06	36 Food + 6 Machinery	96 Food + 15 Machinery
Vanguard Spire 04	07	48 Food + 6 Machinery	144 Food + 21 Machinery
Vanguard Spire 05	10	48 Food + 12 Machinery	192 Food + 33 Machinery
Vanguard Spire 06	11	72 Food	264 Food + 33 Machinery
Vanguard Spire 07	13	96 Food	360 Food + 33 Machinery
Vanguard Spire 08	15	120 Food + 30 Machinery	480 Food + 63 Machinery
Vanguard Spire 09	16	132 Food + 30 Artifacts	612 Food + 63 Machinery + 30 Artifacts
Vanguard Spire 10	17	144 Food + 40 Artifacts	756 Food + 63 Machinery + 70 Artifacts
Vanguard Spire 11	18	156 Food + 40 Artifacts	912 Food + 63 Machinery + 110 Artifacts