Melee Offense with Hero Against Killers
Hero
Levels in total: 10
Upgrading from 1 to 2
Upgrade cost level: 3 ×2.4
Gold: 2 520 000 000
Chaos Elements: 264 000 000
Level by level
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
0.5% · 1.25% · 1.25% · 1.5% · 2% · 2.5% · 3% · 3.5% · 4.5% · 5%
Total at max: 25%
Data: Viking Charts by Stars Night.