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Trade Charters
Merchants granted safe passage bring more than they take — raises production.
- Entity ID
trade_charters- Branch
- Dominion
- Stat buffed
production_rate— Production rate- Bonus per level
- +1.2%
- Maximum level
- 10
- Bonus at maximum level
- +12%
- Power per level
- 78
- Power at maximum level
- 780
- Base study time
- 35 seconds
- Study time at maximum level
- 23m 43s
- Prerequisites
- Taxation at level 8
Cost, time and bonus at every level
Trade Charters runs to level 10, adding +1.2% to production_rate and 78 power each time. Studying it out costs the four soft resources — the same amount of each — and takes 23m 43s for the final level alone. Gems are only ever the optional instant finish; the study itself is bought with what your fields already make.
| Level | Total production rate | Power | Study time | Each resource | Gems to finish instantly |
|---|---|---|---|---|---|
| 1 | +1.2% | 78 | 2m 14s | 12,000 | 3 |
| 2 | +2.4% | 156 | 2m 54s | 15,600 | 3 |
| 3 | +3.6% | 234 | 3m 47s | 20,280 | 4 |
| 4 | +4.8% | 312 | 4m 55s | 26,364 | 5 |
| 5 | +6% | 390 | 6m 23s | 34,273 | 7 |
| 10 | +12% | 780 | 23m 43s | 127,254 | 24 |
Taken from nothing to level 10 that is 1h 35m of raw study and 511,434 of each of food, wood, stone and iron — 2,045,736 resources in total.
Where it sits in the tree
Trade Charters belongs to the Dominion branch — the statecraft line — roads, ravens, coin and the reach of your writ. It stays locked until Taxation reaches level 8. Studying it opens 1 further tech.
| Tech | Branch | Requires this tech at level |
|---|---|---|
| Banking | Dominion | 5 |
The road here: Agriculture to level 5 → Logistics to level 5 → Statecraft to level 5 → Taxation to level 8 → Trade Charters. That is 4 studies standing between a fresh Academy and this one.
| Prerequisite | Level required | Each resource | Study time |
|---|---|---|---|
| Agriculture | 5 | 108,517 | 1h 9m |
| Logistics | 5 | 108,517 | 1h 20m |
| Statecraft | 5 | 108,517 | 1h 44m |
| Taxation | 8 | 286,292 | 45m 44s |
| Total before you may begin | — | 611,843 | 4h 59m |
What it eventually opens: 3 studies sit downstream of Trade Charters, counting every remove.
| Study | Steps out | Buffs | At its cap | Study time at cap |
|---|---|---|---|---|
| Banking | 1 | gather_yield | +12% | 23m 43s |
| Royal Writs | 2 | gather_yield | +12% | 23m 43s |
| Crown Charters | 3 | gather_yield | +7.2% | 13m 46s |
Related
Guide: Research & the Academy · Research Priorities. Studied at the Maester's Academy. Index: all 81 studies · the whole database.
Rest of the Dominion branch: Statecraft · Diplomacy · Heraldry · Taxation · Court Administration · Banking · Royal Writs · Roadworks · Cartography · Post Riders · Scouting Networks · Toll Roads · Census Rolls · The Great Council · The Ravenries · Crown Charters · The Long Memory
Every figure above is generated from the shipped game code — the same constants and formulas the running game uses — and regenerated whenever the balance changes. Nothing on this page is hand-typed.