Frigid Chaos -- Dual-Curse Aura Hexblast Bloodmage, Freeze and Hinder!

I guess a lot of it depends on the jewels that you can get actually. Right now I'm level 82 and just past the skill tree that you put up on maxroll. I'm considering going for the left branch instead of the right branch and trying a crit skew. There's a lot of available crit nodes that are directly off of our existing pathing (Critical Exploit, Sudden Escalation, Critical Overload, and especially Careful Assassin). This lets you go ambush, which doesn't actually increase hexblast costs, but pretty much guarantees basic clear. The big struggle for me is 100% bossing with this build. Once you go through the buffer of overhealth, it can get pretty sketchy if you mess up one time, which is also part of why I was thinking about crit, as that at least drops some remnants. The other thing is that I only have +4 total skill level on hexblast, so I'm somewhat behind there. I'm not sure how the big increase to mana and health costs would factor in when I get that gear. I switched out controlled destruction for considered casting as well, actually.

Lots of ways to go. I really do want to make bossing better, since the clear is awesome.