Overview
Stone Output IV is part of the Academy economy branch. Each row below is one research level, including its cost, time, power and resulting effect.
Level costs
| Level | Bread | Wood | Stone | Iron | Gold |
|---|---|---|---|---|---|
| 1 | 1,200,000 | 1,200,000 | 240,000 | 62,000 | 16,000 |
| 2 | 1,700,000 | 1,700,000 | 340,000 | 86,000 | 22,000 |
| 3 | 3,700,000 | 3,700,000 | 740,000 | 180,000 | 48,000 |
Requirements and results
| Level | Prerequisites | Time | Power | Effect |
|---|---|---|---|---|
| 1 | Academy Lv. 23, Iron Mining III Lv. 1 | 11h 6m | 2,080 | 8% stone output |
| 2 | Academy Lv. 24, Stone Output IV Lv. 1 | 16h 40m | 2,080 | 8% stone output |
| 3 | Academy Lv. 25, Stone Output IV Lv. 2 | 1d 20h 26m | 2,600 | 10% stone output |