Ch.25: Pale flower of DarknessThe snow will stop right after Nils tells you it will. Then Nils warns you that the snow will start up again. When it starts up again a Blade Master named Karel will appear in the top left corner just under where the Druid was. Talk to him with Eliwood and he will join your cause. Little tip: if you do get him, use him and Lord pent to kill Kenneth.