We rarely, if ever, have a problem with them these days. Improved blizzard goes a LONG way with stopping them. Permafrost, Frostbite and Arctic Reach are good talents to pick up for the mages as well as improved blizzard. It really is a massive change in the ease of the encounter if you make your mages respec just for this.
My guild pays the cost of repsecs when they're required so its not such a big deal.
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We Must Dissent.
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