Stone Gathering IV
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AQuick answer
Stone Gathering IV has 3 Academy levels. The table below is the per-level resource and time cost, plus the listed power and buff increment at each rank.
Per-level costs
| Level | Food | Wood | Stone | Iron | Gold | Time |
|---|---|---|---|---|---|---|
| 1 | 930,000 | 930,000 | 180,000 | 46,000 | 12,000 | 7h 46m |
| 2 | 1,300,000 | 1,300,000 | 260,000 | 65,000 | 16,000 | 11h 40m |
| 3 | 2,700,000 | 2,700,000 | 550,000 | 130,000 | 36,000 | 1d 7h 6m |
Buff and prerequisites
| Level | Buff | Power | Prerequisites |
|---|---|---|---|
| 1 | +16% | 2,000 | Academy Lv. 26 Iron Output Iv Lv. 1 |
| 2 | +16% | 2,000 | Stone Gathering Iv Lv. 1 |
| 3 | +21.5% | 2,700 | Stone Gathering Iv Lv. 2 |
Names and costs are in-game labels. We do not copy third-party writeups of what the tech is "for."