Fatal Strike
Heroes in this squad increase enemy units' Death Rate in PvP battles
Max level: 5
Research levels
| Level |  Power |  Food |  Iron |  Coin | Base research time | Requirements |
|---|---|---|---|---|---|---|
| 1 | 19,500 | 54,232,800 | 54,232,800 | 162,698,400 | 40 days 4 hr 7 min |
|
| 2 | 42,600 | 75,925,900 | 75,925,900 | 227,777,700 | 48 days 4 hr 56 min |
|
| 3 | 68,900 | 98,703,700 | 98,703,700 | 296,111,000 | 57 days 20 hr 19 min |
|
| 4 | 100,100 | 138,185,100 | 138,185,100 | 414,555,400 | 69 days 9 hr 59 min |
|
| 5 | 136,900 | 193,459,200 | 193,459,200 | 580,377,600 | 83 days 7 hr 11 min |
|