User blog comment:Rikoswind29/Harmonia (Fraction)/@comment-25405125-20150328095131/@comment-23603505-20150328104821

Harmonia are very skilled at adapting so they probbaly have a anti magical device that disrupts mana, but its a double edge sword the null zone robs the air of mana or repels it causing spells to be nullified for everyone in a small radius.