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Research · Military
Supply Columns
Every wagon keeps the pace of the host it feeds — raises march size further.
- Entity ID
supply_columns- Branch
- Military
- Stat buffed
march_size— March size- Bonus per level
- +1.2%
- Maximum level
- 8
- Bonus at maximum level
- +9.6%
- Power per level
- 82
- Power at maximum level
- 656
- Base study time
- 35 seconds
- Study time at maximum level
- 14m 2s
- Prerequisites
- Baggage Trains at level 5
Cost, time and bonus at every level
Supply Columns runs to level 8, adding +1.2% to march_size and 82 power each time. Studying it out costs the four soft resources — the same amount of each — and takes 14m 2s 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 march size | Power | Study time | Each resource | Gems to finish instantly |
|---|---|---|---|---|---|
| 1 | +1.2% | 82 | 2m 14s | 12,000 | 3 |
| 2 | +2.4% | 164 | 2m 54s | 15,600 | 3 |
| 3 | +3.6% | 246 | 3m 47s | 20,280 | 4 |
| 4 | +4.8% | 328 | 4m 55s | 26,364 | 5 |
| 5 | +6% | 410 | 6m 23s | 34,273 | 7 |
| 8 | +9.6% | 656 | 14m 2s | 75,298 | 15 |
Taken from nothing to level 8 that is 53m 21s of raw study and 286,292 of each of food, wood, stone and iron — 1,145,168 resources in total.
Where it sits in the tree
Supply Columns belongs to the Military branch — the offence line — what your swords, horses and bows hit for. It stays locked until Baggage Trains reaches level 5. Nothing further in the tree depends on it, so it is a leaf: worth taking for its own bonus, never as a stepping stone.
The road here: Weaponry to level 3 → Armor to level 5 → Drilling to level 8 → Muster Rolls to level 5 → Quartermastery to level 5 → Baggage Trains to level 5 → Supply Columns. That is 6 studies standing between a fresh Academy and this one.
| Prerequisite | Level required | Each resource | Study time |
|---|---|---|---|
| Weaponry | 3 | 47,880 | 40m 47s |
| Armor | 5 | 108,517 | 1h 32m |
| Drilling | 8 | 286,292 | 3h 48m |
| Muster Rolls | 5 | 108,517 | 17m 20s |
| Quartermastery | 5 | 108,517 | 17m 20s |
| Baggage Trains | 5 | 108,517 | 20m 13s |
| Total before you may begin | — | 768,240 | 6h 56m |
Related
Guide: Research & the Academy · Research Priorities. Studied at the Maester's Academy. Index: all 81 studies · the whole database.
Rest of the Military branch: Weaponry · Armor · Drilling · Swordsmanship · Archery · Marksmanship · Spearwork · Blacksmithing · Forged Steel · Shieldwork · Infantry Discipline · Tempering · Ironclad Mail · Horsemanship · Cavalry Tactics · Warhorses · Muster Rolls · Quartermastery · Battle Drums · Baggage Trains · Pattern Welding · The Unbroken Line · The Standing Army
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.