Unit Upgrades up to Level 15 for Gold say Wiki...how to get this?

[cabal2k]

Hi,

the Wiki say that every Unit can UPGRADED up to Level 15

http://kingsbountylegions.wikia.com/wiki/Ranger

I never saw that i can upgrade a unit for gold...how will work this and where can i do this? :confused:

[starang24]

This is for King's Bounty Legions, the shitty web-based game that is pay-to-play, not King's Bounty Warriors of the North.

[cabal2k]

Oh man, am i blind...:(

Thanks for opening my eyes :)