Talk:Clan Perks/@comment-9858145-20160124031624/@comment-35184175-20180424070356

It is the effect of "Troop donation upgrade ". While being in a lvl 5 clan or above, you will experience this. whatever troops you donate will be upgraded 1 level (2 levels if you are in level 10 clan ). Don't ever ever leave that clan if donation is fair and quiet often.. :)