Troop Defense with Hero During Defense I

Hero Levels in total: 10 Upgrading from 4 to 8 Upgrade cost level: 2 ×1.7 Gold: 39 865 000 000 Chaos Elements: 4 318 000 000 Level by level 5: 6 630 000 000 gold · 714 000 000 Chaos 6: 8 585 000 000 gold · 926 500 000 Chaos 7: 10 880 000 000 gold · 1 181 500 000 Chaos 8: 13 770 000 000 gold · 1 496 000 000 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 1% · 3.5% · 3.75% · 5% · 6% · 7.25% · 9% · 11% · 13% · 15.5% Total at max: 75% Data: Viking Charts by Stars Night.