As it stands, I'm convinced that the best strategy is going to involve having a party of 4 Mages, for reasons already discussed. Environmental effects and CC are currently very OP, particularly against melee classes who end up in the thick of it, and usually have to move through it before they can do anything.
I should probably try this in the arena. (I'm coming for you, Swen!)
Tornado might actually be the answer...
This assumes that the environmental effect does not include a CC effect, and you're not already trapped in a stun-lock.
