Full details for the HP technology, from level 1 to level 6.
| Level | Gold | Industry | Energy | Tech | Effet |
|---|---|---|---|---|---|
| L1 | 1150 | 0 | 0 | 0 | \nHeavy Artillery\nTsar Cannon\nSiege Artillery \nField Artillery\nKrupp Cannon\n\n |
| L2 | 3400 | 0 | 0 | 0 | \nHeavy Artillery\nTsar Cannon\nSiege Artillery \nField Artillery\nKrupp Cannon\n\n |
| L3 | 5100 | 0 | 0 | 0 | \nHeavy Artillery\nTsar Cannon\nSiege Artillery \nField Artillery\nKrupp Cannon\n\n |
| L4 | 11250 | 0 | 0 | 0 | \nHeavy Artillery\nTsar Cannon\nSiege Artillery \nField Artillery\nKrupp Cannon\n\n |
| L5 | 22500 | 0 | 0 | 0 | \nHeavy Artillery\nTsar Cannon\nSiege Artillery \nField Artillery\nKrupp Cannon\n\n |
| L6 | 45000 | 0 | 0 | 0 | \nHeavy Artillery\nTsar Cannon\nSiege Artillery \nField Artillery\nKrupp Cannon\n\n |