Upgrade calculator

Tavern

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 14), totals only cover upgrades through that level.

Barracks Walls

Current level

Target level

My Sanctuary level (optional)

Highlights steps where Sanctuary must be higher (1–30). Other prerequisites are listed per step.

*data can be incorrect too, please verify it before using

Totals for levels 1 → 2

Wood

Grain

Herbs

Steps

Data compiled for Last Asylum Guide · Maintainer: Slaughter Queen · Game balance may change with patches.

About Tavern

Priority: High

The Tavern is where you recruit and manage heroes. A higher-level Tavern increases your hero recruitment chances, unlocks elite hero summons, and provides passive hero XP bonuses that speed up your roster development.

Upgrade Tips

1Upgrade the Tavern before major hero events to maximise your recruitment pull chances.
2Higher Tavern levels increase the number of daily free hero attempts.
3The Tavern is a prerequisite for unlocking certain UR hero summon options.