Upgrades
From Against the Storm Official Wiki
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 |
