An upgrade in the Harmony Tree, Shared belief in the prophecy fosters communal built dwellings, increasing the population cap on Desert Planets under your empire's control.
| Upgrade Level | Upgrade Time |
Increase to Population (Overall) |
Cost (Credits/Metal/Crystal) |
|---|---|---|---|
| 1 | 42 | 23% | 600/50/100 |
| 2 | 47 | 30% | 700/75/125 |