Tank HP II
Increase Tank Heroes' HP
Max level: 5
Research levels
| Level |  Power |  Food |  Iron |  Coin | Base research time | Requirements |
|---|---|---|---|---|---|---|
| 1 | 6,700 | 6,232,300 | 6,232,300 | 18,696,900 | 5 days 14 hr 45 min |
|
| 2 | 18,200 | 18,846,500 | 18,846,500 | 56,539,500 | 16 days 12 hr 10 min |
|
| 3 | 34,600 | 38,282,000 | 38,282,000 | 114,845,900 | 33 days 11 hr 26 min |
|
| 4 | 63,400 | 118,444,400 | 118,444,400 | 355,333,200 | 57 days 20 hr 19 min |
|
| 5 | 103,800 | 232,151,000 | 232,151,000 | 696,453,100 | 83 days 7 hr 11 min |
|