[mod] Army, Rune Exchange, Training Camp

[Csimbi]

You have to put it only to one place:
Steam\SteamApps\common\King's Bounty - Warriors of the North\sessions\addon

What language variant do you use?
The mod contains only the eng_*.lng files, so if you use another language than English, it won't work (most likely, or you see garbage).

PS. The mod pack does not seem to work, don't use that until it's fixed.
*Edit: it's fixed.