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Research · Military
The Unbroken Line
A formation that has never once given ground — raises troop defense.
- Entity ID
unbroken_line- Branch
- Military
- Stat buffed
defense— Defense- Bonus per level
- +1.2%
- Maximum level
- 6
- Bonus at maximum level
- +7.2%
- Power per level
- 100
- Power at maximum level
- 600
- Base study time
- 55 seconds
- Study time at maximum level
- 13m 3s
- Prerequisites
- Ironclad Mail at level 5, Infantry Discipline at level 5
Cost, time and bonus at every level
The Unbroken Line runs to level 6, adding +1.2% to defense and 100 power each time. Studying it out costs the four soft resources — the same amount of each — and takes 13m 3s 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 defense | Power | Study time | Each resource | Gems to finish instantly |
|---|---|---|---|---|---|
| 1 | +1.2% | 100 | 3m 31s | 12,000 | 4 |
| 2 | +2.4% | 200 | 4m 34s | 15,600 | 5 |
| 3 | +3.6% | 300 | 5m 56s | 20,280 | 6 |
| 4 | +4.8% | 400 | 7m 43s | 26,364 | 8 |
| 5 | +6% | 500 | 10m 2s | 34,273 | 11 |
| 6 | +7.2% | 600 | 13m 3s | 44,555 | 14 |
Taken from nothing to level 6 that is 44m 49s of raw study and 153,072 of each of food, wood, stone and iron — 612,288 resources in total.
Where it sits in the tree
The Unbroken Line belongs to the Military branch — the offence line — what your swords, horses and bows hit for. It stays locked until Ironclad Mail reaches level 5 and Infantry Discipline reaches level 5. Studying it opens 1 further tech.
| Tech | Branch | Requires this tech at level |
|---|---|---|
| The Long Memory | Dominion | 3 |
The road here: Weaponry to level 3 → Armor to level 10 → Tempering to level 5 → Ironclad Mail to level 5 → The Unbroken Line. That is 4 studies standing between a fresh Academy and this one.
| Prerequisite | Level required | Each resource | Study time |
|---|---|---|---|
| Weaponry | 3 | 47,880 | 40m 47s |
| Armor | 10 | 511,434 | 7h 15m |
| Tempering | 5 | 108,517 | 20m 13s |
| Ironclad Mail | 5 | 108,517 | 20m 13s |
| Total before you may begin | — | 776,348 | 8h 36m |
What it eventually opens: 1 study sits downstream of The Unbroken Line, counting every remove.
| Study | Steps out | Buffs | At its cap | Study time at cap |
|---|---|---|---|---|
| The Long Memory | 1 | production_rate | +6% | 10m 57s |
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 · Supply Columns · Pattern Welding · 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.