Melee Offense with Hero Against Killers

Hero Levels in total: 10 Upgrading from 1 to 2 Upgrade cost level: 4 ×2.9 Gold: 3 045 000 000 Chaos Elements: 319 000 000 Level by level 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 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.