Slotting for Ice Epic?
It depends what blaster build you're putting them with as to which powers are worth taking from the cold mastery set.
Energy/Energy
I wouldn't take cold mastery with that build, I'd take force, flame or electricity.
Give yourself a ranged hold and/or make yourself tougher.
I use Cold Mastery with my Ice/Ice blaster, it's a build that is almost all single target focussed, and has a lot of control anyway.
I took:
Snow Storm
A very good slow, it's also an extremely endurance heavy toggle. It does minus fly which is very useful in certain AV fights, and of course I combine it with Shiver from the Ice secondary to pretty much bring things to a stand still.
Slotting: 2 End Reducers 2 Slows works well for me.
Flash Freeze
I took this for soloing primarily, this is a ranged AOE sleep, which obviously isn't a massive amount of use in a team where they'll get disturbed, however for a predominantly single target build it works well. The way I use it is to put them to sleep, then I will hold one guy, then kill him. Hold the next, kill him etc, so they don't ever have a chance to hit back. You could use it in a similar manner but rather than holding them bop them with Total Focus so they go from asleep to stunned, then finish them, which I imagine would work fairly well. It's got quite a long animation however so firing it in the first place can sometimes be painful. I occasionally use it when teaming if someone accidentally aggros a second group, however you better either get out the way or have someone else pick the aggro up before they wake up if you do that, or you've a good chance of getting flattened.
Slotting, 2 Accuracy, 3 Sleep Duration, 1 Recharge.
Hibernate
A useful panick button, also very handy for my ice/ice blaster as when running snow storm she can get a little low on endurance over a prolonged fight (again, normally only with AVs). Even without any slotting you can regain full endurance from being almost out in just a few seconds, the same with health, and unlike phase shift, the animation is extremely quick. A very handy power in my opinion.
I didn't take:
That Awful Armour
At the sort of level you normally fight at in the 40s (as in the relative level of the mobs to you) a bit of Defence I find about as much use as a chocolate fireguard and not worth the endurance it costs. Also, given the amount of control available on my Ice/Ice it's pretty much not needed, I work on a principle of not getting hit in the first place, and don't spend a massive amount of time in mele with her, definitely not until everything is either falling over, held or asleep, so I didn't feel I needed it. I think if you're running a build like energy/energy, particularly if you want to go in to mele, you'll fair better with an epic that gives you a hold and/or a resistance base shield.
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I wouldn't take cold mastery with that build, I'd take force, flame or electricity.
Give yourself a ranged hold and/or make yourself tougher.
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Disagree about that. I took elec epic on my nrg/nrg - for pvp i wish i hadn't - the synergy with it is ok but force or ice are better options imo.
1 hold is almost pointless in PvP - you really need 2 at least.
Also, with /nrg, you have access to powerboost - which boosts Def but not Res.
From that epic, i'd take Snow Storm, Hibernate and Frozen Armour.
Slotting.
Snow Storm - 2 end redx, 2 slows (optional)
Frozen Armour - 3def, 2res, 1end redx or 3def, 2 end redx, 1 res if you don't slot endurance redx in attacks or don't have conserver energy.
Hibernate - 3 recharge
Any tips? All the powers, please
Unless any of them aren't worth taking.