Troop Defense with Shaman During Defense I
Shamans
Levels in total: 10
Upgrading from 5 to 8
Upgrade cost level: 2 ×1.7
Gold: 31 365 000 000
Chaos Elements: 3 417 000 000
Level by level
6: 8 075 000 000 gold · 875 500 000 Chaos
7: 10 285 000 000 gold · 1 122 000 000 Chaos
8: 13 005 000 000 gold · 1 419 500 000 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% · 4.5% · 5.5% · 6.5% · 8% · 9.5% · 12.5% · 14.5% · 17.5% · 20.5%
Total at max: 100%
Data: Viking Charts by Stars Night.