All building calculators
Upgrade calculator
Sanctuary
Each row is one upgrade: level N → N+1. Totals sum wood, grain, and herbs for steps we have in the guide. Level pickers run through 30; if your target is above the last level with data (currently 30), totals only cover upgrades through that level.
*data can be incorrect too, please verify it before using
Totals for levels 1 → 2
Wood
32
Grain
32
Herbs
0
Steps
1
Data compiled for Last Asylum Guide · Maintainer: Slaughter Queen · Game balance may change with patches.
About Sanctuary
Priority: HighestThe Sanctuary is the heart of your base — its level sets the maximum level every other building can reach. Upgrading your Sanctuary unlocks the next tier of development for your entire city, making it the single highest-priority building to keep up-to-date.
Upgrade Tips
- 1Always upgrade your Sanctuary first before upgrading other buildings — everything else is gated behind it.
- 2Sanctuary upgrades require the most resources of any building, so stockpile wood, grain, and herbs before starting a push.
- 3Use speed-ups on Sanctuary upgrades to break through to a new tier as quickly as possible.