That doesn't make sense at all, those corrupted charr we fight are Icebrood minions of Jormag, not a Frost Legion as in a societal structure of the charr race. And on top of that, as usual comes the problem of: are the icebrood slaying potions/sigils working against "Frost Legion"?
"clang clang shriiiiek clang!" -Belinda Delaqua
When I join your LFG