📖 Troop Defense with Hero During an Attack I
Hero
Levels in total: 10
Upgrading from 0 to 2
Upgrade cost level: 3 ×2.4
Gold: 2 892 000 000
Chaos Elements: 291 600 000
Level by level
1: 372 000 000 gold · 27 600 000 Chaos
2: 2 520 000 000 gold · 264 000 000 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% · 5.5% · 6.5% · 8% · 10% · 12.5% · 15% · 18% · 22% · 25.5%
Total at max: 125%
Data: Viking Charts by Stars Night.