📖 Troop Offense with Hero During an Attack I
Hero
Levels in total: 10
Upgrading from 0 to 2
Upgrade cost level: 4 ×2.9
Gold: 3 494 500 000
Chaos Elements: 352 350 000
Level by level
1: 449 500 000 gold · 33 350 000 Chaos
2: 3 045 000 000 gold · 319 000 000 Chaos
The price depends on the order in which you study a branch: the first costs the base price, the seventh is four times as much.
Bonus by level
2% · 7% · 7.5% · 10% · 12% · 14.5% · 18% · 22% · 27% · 30%
Total at max: 150%
Data: Viking Charts by Stars Night.