Research priorities
15 branches · order · costs
Updated:
⚡ Quick answer: Start with Development (construction and research speed), run Economy in the second queue, take Squad 1 and 4 at Lab 8 and push Alliance Duel to the top at Lab 15. Elite Troop and the Tactics branches come last.
🕒 As of 📚 Sources: lastasylum.gg, last-asylum-wiki.vercel.app, Packsify
🗺️ Order
Save Study Scrolls for the Alliance Duel research day (Wednesday).
🌳 All 15 branches
| Branch | Lab | Nodes | Levels | Grain (= Timber) | Herb | Scrolls | Base time | 2 sources |
|---|---|---|---|---|---|---|---|---|
| Development | 1 | 18 | 86 | 64.1M | 191.7M | · | 33 d | 53% |
| Economy | 1 | 23 | 107 | 123.4M | 372.3M | · | 121 d | 54% |
| Hero | 5 | 28 | 140 | 6.71B | 20.11B | · | 3,366 d | 36% |
| Soldier | 7 | 20 | 100 | 1.59B | 4.76B | · | 1,123 d | 98% |
| Full Development | 13 | 16 | 80 | 422.7M | 1.27B | · | 444 d | 88% |
| Prosperous Economy | 13 | 16 | 76 | 516.7M | 1.55B | · | 512 d | 100% |
| Squad 1 | 8 | 20 | 100 | 62.2M | 186.3M | · | 39 d | 99% |
| Squad 4 | 8 | 20 | 100 | 62.2M | 186.3M | · | 39 d | 99% |
| Squad 2 | 15 | 20 | 100 | 919.3M | 2.75B | · | 1,006 d | 100% |
| Squad 3 | 20 | 20 | 100 | 4.69B | 14.06B | · | 3,530 d | 100% |
| Alliance Duel | 15 | 14 | 132 | 0 | 0 | 54.1K | 325 d | 100% |
| Caravan Transport | 15 | 9 | 43 | 0 | 0 | 82K | 227 d | 100% |
| Elite Troop | 17 / 20¹ | 23 | 221 | 8.23B | 24.83B | 255.2K | 1,977 d | 98% |
| Offensive Tactics | 21 | 16 | 151 | 5.06B | 15.24B | 172.3K | 1,505 d | 87% |
| Defensive Tactics | 21 | 16 | 151 | 5.04B | 15.2B | 171.8K | 1,501 d | 87% |
Full branch at base time, without research speed. 2 sources: share of levels where lastasylum.com and lastasylum.gg agree on cost, time and power.
¹ Only one source or the sources disagree. Treat as uncertain.
Frequently asked questions
What should I research first?
Construction speed in Development. Then Economy in the second queue.
When does Alliance Duel research open?
At Research Lab 15. It costs only Study Scrolls, 54,110 in total.
Which branch unlocks tier 10 troops?
Elite Troop. It needs 255,240 Study Scrolls for all levels.
