RESEARCH · MAX LEVEL 10
Attack Increase
Compare required levels and costs before progressing.
Level costs & requirements
Each row describes the target level. Prerequisite material costs are separate.
| Target level | Wood | Food | Coins | Base time (seconds) | Required buildings | Research prerequisites |
|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 121,084,100 | 2,178,540 | Scholar Tower I Lv. 30 | Rock Solid II · Level 1 |
| 2 | 0 | 0 | 121,084,100 | 2,178,540 | Scholar Tower I Lv. 30 | Rock Solid II · Level 2 |
| 3 | 0 | 0 | 133,192,600 | 2,396,340 | Scholar Tower I Lv. 30 | Rock Solid II · Level 3 |
| 4 | 0 | 0 | 133,192,600 | 2,396,340 | Scholar Tower I Lv. 30 | Rock Solid II · Level 4 |
| 5 | 0 | 0 | 143,848,000 | 2,588,100 | Scholar Tower I Lv. 30 | Rock Solid II · Level 5 |
| 6 | 0 | 0 | 143,848,000 | 2,588,100 | Scholar Tower I Lv. 30 | |
| 7 | 0 | 0 | 152,478,800 | 2,743,380 | Scholar Tower I Lv. 30 | |
| 8 | 0 | 0 | 152,478,800 | 2,743,380 | Scholar Tower I Lv. 30 | |
| 9 | 0 | 0 | 158,578,000 | 2,853,060 | Scholar Tower I Lv. 30 | |
| 10 | 0 | 0 | 158,578,000 | 2,853,060 | Scholar Tower I Lv. 30 |