RESEARCH · MAX LEVEL 5
Attack Boost
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 | 2,063,900 | 10,320 | Scholar Tower I Lv. 14 | Basic Cargo · Level 5 |
| 2 | 0 | 0 | 2,063,900 | 10,320 | Scholar Tower I Lv. 14 | |
| 3 | 0 | 0 | 3,302,300 | 13,440 | Scholar Tower I Lv. 15 | |
| 4 | 0 | 0 | 3,302,300 | 13,440 | Scholar Tower I Lv. 15 | |
| 5 | 0 | 0 | 4,953,400 | 17,460 | Scholar Tower I Lv. 16 |