An upgrade in the Harmony Tree, usable metals are recovered from processing waste more efficiently, further increasing the rate of income from Metal Extractors.
| Upgrade Level | Upgrade Time |
Ore Extraction Increase |
Cost (Credits/Metal/Crystal) |
|---|---|---|---|
| 1 | 63 | 33% | 1000/150/250 |
| 2 | 68 | 40% | 1100/175/275 |