Troop Offense with Hero During an Attack I

Hero Levels in total: 10 Upgrading from 2 to 7 Upgrade cost level: 1 ×1 Gold: 20 200 000 000 Chaos Elements: 2 180 000 000 Level by level 3: 1 950 000 000 gold · 210 000 000 Chaos 4: 2 900 000 000 gold · 310 000 000 Chaos 5: 3 900 000 000 gold · 420 000 000 Chaos 6: 5 050 000 000 gold · 545 000 000 Chaos 7: 6 400 000 000 gold · 695 000 000 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% · 7% · 7.5% · 10% · 12% · 14.5% · 18% · 22% · 27% · 30% Total at max: 150% Data: Viking Charts by Stars Night.