Snow Bosses need to drop more then Retri gears there way to difficult for just a low % at a garbage piece of equipment that you sell to NPC that or they need a Heavy nerf in patch Fix fast. I suggest adding weapons/Serpent costume to them and keeping them the way they are so its useful to farm them because at the moment its useless to fight them as they currently are.
11 Minutes 54 Seconds with two +10 Bladedancers buffed with Minon Btw. Link to youtube Video for Support. Crusher