An upgrade in the Harmony Tree, the grace of the unity sparks a breakthrough in civic design, increasing the population cap of Terran Planets under your empire's control.
| Upgrade Level | Upgrade Time |
Increase to Population (Overall) |
Cost (Credits/Metal/Crystal) |
|---|---|---|---|
| 1 | 42 | 8% | 400/0/25 |
| 2 | 47 | 15% | 500/0/50 |