User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-7584137-20140825113054/@comment-8985329-20140831145727

You have answered yourself, because of Glacial Agnaktors use ice and water, the weaknesses of Brachydios, and he doesn't appears in Tundra as frequently as in Volcano (I don't know if I said it correctly), now the brachy isn't a gr eat menace anymore.