An upgrade in the Harmony Tree, impurities are psionically removed from crystals to improve their potency, further improving the income from Crystal Extractors.
| Upgrade Level | Upgrade Time |
Ore Extraction Increase |
Cost (Credits/Metal/Crystal) |
|---|---|---|---|
| 1 | 95 | 33% | 1400/250/400 |
| 2 | 105 | 40% | 1500/275/425 |