Overview
Tool Enhancement IV is part of the Academy growth 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 | 210,000 | 210,000 | 42,000 | 10,000 | 2,800 |
| 2 | 290,000 | 290,000 | 59,000 | 14,000 | 3,900 |
| 3 | 630,000 | 630,000 | 120,000 | 31,000 | 8,400 |
Requirements and results
| Level | Prerequisites | Time | Power | Effect |
|---|---|---|---|---|
| 1 | Academy Lv. 16, Ward Expansion IV Lv. 1, Camp Expansion IV Lv. 1 | 2h 53m | 6,000 | 1.2% research speed |
| 2 | Academy Lv. 17, Tool Enhancement IV Lv. 1 | 4h 20m | 6,000 | 1.2% research speed |
| 3 | Academy Lv. 18, Tool Enhancement IV Lv. 2 | 11h 33m | 7,500 | 1.5% research speed |