Source of: Research Lab: levels, cost and upgrades
← Research Lab: levels, cost and upgrades
**Research Lab** runs research: 348 nodes covering economy, troops and heroes, with combat branches that lift the whole army at once. From level 11 the Sanctuary demands a Research Lab one level below its target, so the lab stays a step ahead. The building unlocks after Sanctuary level 7 and goes up to level 30. Only one can be built. Levels raise: research Speed.
| Stat | Value |
|---|---|
| Unlocks at | Sanctuary level 7 |
| How many can be built | 1 |
| Max level | 30 |
| What it gives | Research Speed |
## Levels and cost
Reference levels of the building: what it gives, how much Might it brings and what the next step costs. Cost grows faster than the payoff: the last five levels take 79% of the total build time.
| Level | Research Speed | Might | Cost | Time |
|---|---|---|---|---|
| 1 | 0.7% | 700 | :res-grain: Grain 89, :res-wood: Timber 89 | under a minute |
| 5 | 2.7% | 4,400 | :res-grain: Grain 20,890, :res-wood: Timber 20,890 | 10m |
| 10 | 5.2% | 9,600 | :res-grain: Grain 634,000, :res-wood: Timber 634,000, :res-herb: Herb 204,300 | 5h 1m |
| 15 | 7.7% | 24,200 | :res-grain: Grain 6,223,000, :res-wood: Timber 6,223,000, :res-herb: Herb 1,971,000 | 19h 28m |
| 20 | 10.1% | 63,200 | :res-grain: Grain 49,610,000, :res-wood: Timber 49,610,000, :res-herb: Herb 16,360,000 | 4d 8h |
| 25 | 12.7% | 153,600 | :res-grain: Grain 244,100,000, :res-wood: Timber 244,100,000, :res-herb: Herb 80,370,000 | 19d 8h |
| 30 | 15.1% | 361,000 | :res-grain: Grain 1,297,000,000, :res-wood: Timber 1,297,000,000, :res-herb: Herb 390,300,000 | 89d 19h |
## Full upgrade
Taking the building from level 1 to 30 costs :res-grain: Grain 4,475,751,165, :res-wood: Timber 4,475,751,165, :res-herb: Herb 1,404,592,200. Pure build time without speed-ups: 349d, that is, about 12 months.
## How to use it
The level of the Research Lab is chosen by what the [[building-sanctuary|Sanctuary]] demands rather than by research speed: from level 11 the Sanctuary asks for a lab one level below its target. So the lab runs ahead of the whole city and reaches level 30 in any case, all 349 days of pure build time.
The speed itself grows slowly: 0.7% at level 1, 10.1% at level 20, 15.1% at level 30. Level 20 takes 15 days 11 hours, while the last ten levels add five percentage points and cost 333 days. As an accelerator for a tree of 348 nodes the lab pays back poorly, and it is kept for the Sanctuary requirement.
It brings 361,000 Might, the third figure in the city after the 384,300 of the Sanctuary and the 361,100 of the [[building-2nd-workbench|2nd Workbench]]. Resources come to 10,356,094,530, and only those same two buildings take more. Level 10 costs 4,076,430 resources and 13 hours 41 minutes, so the first third of the speed scale is covered in a single evening.
Sanctuary level 7 opens, alongside the lab, three [[building-infirmary|Infirmaries]] at 299 days 4 hours each, the [[building-warrior-statue|Warrior Statue]] for as long again, and two instant buildings, the [[building-arena|Arena]] and the [[building-raven-nest|Raven Nest]]. The builder goes to the lab first, because the next Sanctuary level depends on it.
## Related pages
- [[buildings|All buildings]]
- [Build calculator](/en/wiki/build-calc): an upgrade queue from building levels