Troop Defense with Hero During an Attack I

Hero Levels in total: 10 Upgrading from 0 to 4 Upgrade cost level: 2 ×1.7 Gold: 10 293 500 000 Chaos Elements: 1 090 550 000 Level by level 1: 263 500 000 gold · 19 550 000 Chaos 2: 1 785 000 000 gold · 187 000 000 Chaos 3: 3 315 000 000 gold · 357 000 000 Chaos 4: 4 930 000 000 gold · 527 000 000 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.