Upgrade calculator

Raven Workshop

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 19), totals only cover upgrades through that level.

Watchtower

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

Increase target level or lower current level to include at least one upgrade step.

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

About Raven Workshop

Priority: Low

The Raven Workshop is used to craft and upgrade special raven companions, which provide unique passive buffs to your city and marches. Upgrading it unlocks stronger companion recipes and improves companion quality.

Upgrade Tips

1Raven companions provide persistent passive bonuses — crafting a high-quality raven early is worth the investment.
2Higher Raven Workshop levels unlock rare companion types with stronger ability effects.
3Focus on crafting one strong raven rather than spreading resources across multiple lower-tier companions.