Overview
Stone Output II 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 | 130,000 | 130,000 | 27,000 | 6,700 | 1,600 |
| 2 | 180,000 | 180,000 | 37,000 | 9,400 | 2,200 |
| 3 | 400,000 | 400,000 | 81,000 | 20,000 | 4,800 |
Requirements and results
| Level | Prerequisites | Time | Power | Effect |
|---|---|---|---|---|
| 1 | Academy Lv. 13, Iron Mining I Lv. 1 | 25m | 1,430 | 5.5% stone output |
| 2 | Academy Lv. 14, Stone Output II Lv. 1 | 37m | 1,430 | 5.5% stone output |
| 3 | Academy Lv. 15, Stone Output II Lv. 2 | 1h 40m | 1,820 | 7% stone output |