Contents
The Sanctuary is not just the biggest building, it is what almost every decision of yours runs into.
Hero level cap
A hero's maximum level equals five Sanctuary levels: 5 at level one, 120 at level twenty-four, 150 at level thirty. The building itself also grants flat stats to every hero.
If your heroes hit the cap, only the Sanctuary fixes it, and the next level lifts the bar by five.
No building outruns it
From about level seven, any building's level N requires Sanctuary level N. The plan "grow production first, Sanctuary later" does not work: both run into the same number.
The lab is always one step ahead
From level eleven to thirty the Sanctuary requires the Research Lab exactly one level below the target. The second requirement changes every time, the lab is never skipped.
The hidden gate: clinic stars
| Sanctuary level | Clinic stars needed |
|---|---|
| 10 | 112 |
| 15 | 201 |
| 20 | 247 |
| 25 | 292 |
| 29 and 30 | 326, the clinic cap |
Treat the clinic as a side minigame and one day it stops your territory as hard as an empty warehouse.
What the top costs
Level twenty: about 60M 
grain, the same in 
wood, 18.4M 
herbs
and five days of construction. Level thirty: 1.356B, 1.356B, 441M and about 102 days.
Production never covers that: a billion grain is over a year of four level-thirty farms. The top levels are carried by map gathering, events and speed-ups.
A pleasant side effect
Every upgrade pays a large one-off reward in hero experience: 46M at level twenty, 122M at twenty-five, 199M at thirty.
Related pages
What links here
Pages that mention this one. The list is built from the markup, not filled by hand.
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