ACT 1:
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3.29 Leaguestart Update/
Cold spells are a bit rough in act 1/2. I'm hoping the freezing pulse buff makes this good, so I'll be planning on using that.
Summon Phantasm Support linked to
Holy Flame Totem is also good for clearing packs on the go in act 1. So I'll be tossing that at juicy packs so I can keep running. I'll probably also grab a
Flame Wall for act 1 for some extra flat damage.
/Update
Use
Frostbolt or
Freezing Pulse as your main damage skill. I usually link
Volley Support +
Arcane Surge Support. Can also do
Added Cold Damage Support +
Arcane Surge Support if you get a
Jade Amulet early. This is better for single target
You can link
Frostblink to
Added Cold Damage Support for clearing on the go
i also often buy a siphoning trap after Brutus, since spells in act 1 are a bit rough. So when I spot a juicy pack of enemies, I throw
Siphoning Trap and
Holy Flame Totem at them and keep running. Also helps with sustain when fighting mervail.
also buy
Shield Charge +
Faster Attacks Support +
Momentum Support (You only get momentum if you muled a ranger. Don't worry about it as a link if you didn't.) We don't usually have enough links or a reason to use a shield in act 1, but we get the gems here.
You can link
Summon Phantasm Support to
Holy Flame Totem if you wish and have the sockets for it
basic skill rotation early is
Frost Bomb >
Holy Flame Totem >
Frostbolt or
Freezing Pulse.
You get
Ice Nova after the caverns of wrath waypoint. You can swap to this immediately if you want, but I usually level it in an offhand and swap to it later
Gems to obtain:
Frostbolt
Frost Bomb
Volley Support
Arcane Surge Support
Shield Charge
Faster Attacks Support
Momentum Support (if you muled a ranger)
Ice Nova
Frostblink
Clarity
Holy Flame Totem
ACT 2:
Use the corruption altar on
Cold Snap. If you get
Vaal Cold Snap, you can either use it throughout the campaign, or sell it to get
Ice Nova of Frostbolts.
I generally use
Cold Snap as my main damage skill here along with
Frostbolt. You can also use
Ice Nova if you wish, but it's pretty bad early.
Freezing Pulse is another potentially good option and you can level
Frostbolt in your offhand.
For bosses, hit them with
Cold Snap for the cold DoT and then spam another damage skill until the cooldown is back on
Cold Snap.
I also drop
Holy Flame Totem once I get
Cold Snap.
Gems to obtain:
Herald of Ice
Cold Snap
Increased Critical Damage Support
Controlled Destruction Support
Power Charge On Critical Support
Faster Casting Support
Cruelty Support
Tempest Shield (ONLY IF YOU PLAN ON USING WAND/SHIELD)
Mana reservation for act 2:
Clarity
Herald of Ice
Links:
Frostbolt +
Volley Support +
Arcane Surge Support
Cold Snap +
Controlled Destruction Support +
Cruelty Support
Frostblink +
Added Cold Damage Support
Shield Charge +
Faster Attacks Support +
Momentum Support
Clarity
Herald of Ice
Frost Bomb
ACT 3:
Grab
Zealotry and start leveling it. Don't turn it on until you have some mana reservation either from the mana mastery or the mana reservation nodes
Level
Discipline,
Automation, and
Elemental Weakness in offhand or empty sockets
Gems to obtain:
Zealotry
Discipline
Frostbite (Start using this one)
Elemental Weakness
Automation
ACT 4:
Try to get
Ice Nova of Frostbolts if at all possible before Malachai. It makes the fight a lot easier. But it's not required by any means.
Change to
Frostbolt +
Faster Casting Support +
Volley Support +
Returning Projectiles Support
If you're low on sockets/links, you can drop
Returning Projectiles Support and
Faster Casting Support in
Frostbolt, as well as
Momentum Support on shield charge. You can also drop
Cruelty Support and
Controlled Destruction Support on
Cold Snap
Ideal
Ice Nova of Frostbolts links are
Arcane Surge Support +
Spell Echo Support +
Power Charge On Critical Support. You can also use these on normal
Ice Nova if you don't have the transfigured version yet.
Also set up
Arcanist Brand here. Should be linked to
Frostbite +
Frost Bomb +
Elemental Weakness (after getting
Whispers of Doom notable on the passive tree)
Sometime during this act is when you'll get the charge mastery for increased duration. Big QoL for keeping your power and frenzy charges.
Gems to obtain:
Bonechill Support
Spell Echo Support
Arcanist Brand
Returning Projectiles Support
PSA: Don't link support gems to
Herald of Ice
You're pretty much set up for the rest of the campaign after this as far as gems and skills are concerned. If you swap to a staff in the campaign, then you'll change
Shield Charge to
Leap Slam, which you can buy in act 6 after helping Lilly.