Hey this is Truditoru, hope you'll enjoy this build. Also checkout my site:
https://poe2spectrewiki.com/ which contains a lot of cool info about the spectres. Its based on the POE2 Summoner Community Spectre Compendium spreadsheet which I also own and kick-started.
My youtube channel also contains ALL spectres in a separate video (391 spectres) covered with a basic video: www.youtube.com/@truditoru619
There will be a video guide for this build as well that will showcase the lategame and some citadel fights/maps with gelid zealots.
Infernalist Coldmancer build quick advice and build purpose:
This build can start straight away with minions and its quite easy to get it going, even as league starter. On the Infernalist Ascendancy you can gain access to a lot of raw spirit so we can summon a lot of our pesky minions.
The main leveling gem will be Skeletal Sniper which you'll use together with Flame Wall and Raging spirits for clearing. You want to cast flamewall and then command your snipers to cast their gascloud on top of enemies that are on fire.
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Act 1:
Skeletal Sniper -> Scattershot -> Last Gasp
Flame Wall -> Spell Cascade -> Fortress
Raging Spirits -> infused fire -> martial tempo
Shield Charge
Pain Offering -> Meat Shield
Unearth -> Brutality -> Persistence (Optional)
Items:
Most important stat to look for is +1 level of minions that you can get on scepters and helms early. Try and craft with transmute + augment any rattling scepters you can find, you also want to use these as your "meat" in front of the archers
So keep an eye for Rattling Scepters, try and craft and ID all of them that you find. Look in the shop at UNA on every single level if you can, she can sell it sometimes. Sometimes if you are lucky you can get an amulet with +1 level early as well
Secondly, Look for 10% movement speed boots from the ground or shops. And lastly, +to spirit can roll on chest pieces so keep an eye on that as well.
You can use a shield in your offhand, look for anything with high block chance and life/resists
If you are on trade league or you have the Enfolding Dawn unique body armour, equip that one.
Considerations:
DO NOT FORGET to complete Freythorn sidequest for +30 spirit and first spirit gem which you cut for Raging Spirits ; you should do the side quests that give you passive points, %resist and flat life.
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Act 2:
Skeletal Warriors -> Sacrificial Lamb
Skeletal Sniper -> Scattershot -> Last Gasp
Flame Wall -> Spell Cascade -> Fortress
Raging Spirits -> infused fire -> martial tempo
Shield Charge
Pain Offering -> Meat Shield
Flamability
Items: Scepters can now gain +2 levels, keep an eye for that and also for %Spirit on them, if you get 150 spirit scepters with + lvl of minions these are very nice and will carry you into maps from here on.
Considerations: Do not forget to complete side quests that give you passive points, %resist and the sun clan relic one.
Complete the Trial of the Sekhemas and get either Loyal Hellhound or Altered Flesh (i personally prefer Altered Flesh for more tankiness)
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Act 3:
Skeletal Warriors -> Sacrificial Lamb -> Maim
Skeletal Sniper -> Scattershot -> Last Gasp -> Feeding Frenzy
Flame Wall -> Spell Cascade -> Fortress
Raging Spirits -> infused fire -> martial tempo -> heft
Shield Charge
Pain Offering -> Meat Shield -> Ablation -> Danse Macabre
Flamability -> Ritualistic Curse -> Hexbloom -> Heightened Curse
Skeletal Cleric -> Ingenuity
Items: At this point you're still looking for better scepter if you don't have a +2 one wiht decent spirit on, overall look for items that cap your resists and give you life, the bases you want are Armour + ES or pure ES.
Considerations Do not forget to complete side quests that give you passive points and elemental threshold increase. In terms of gems, at this point you can straight up equip the bind spectre and get either the Vaal Guard Grenade if you want to keep same setup or switch to cold and get the gelid zealot eye of winter.
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Act1-3 Cruel:
Skeletal Warriors -> Sacrificial Lamb -> Maim
Skeletal Sniper (2)-> Scattershot -> Bidding -> Commandment
Skeletal Sniper (~5) -> Feeding Frenzy -> Muster -> Gambleshot/Fire Infusion
Flame Wall -> Spell Cascade -> Fortress
Raging Spirits -> Fire Infusion -> Martial tempo -> Heft
Pain Offering -> Meat Shield -> Ablation -> Danse Macabre
Flamability -> Ritualistic Curse -> Hexbloom -> Heightened Curse
Skeletal Cleric -> Ingenuity -> Last Gasp -> Arcane Tempo
Shield Charge -> N/a
Items: The same as for previous leveling -> Scepters, Hemets and Amulets can give you + lvl of minions, look for those; start looking for high spirit on chest piece as well, cap your resists, get decent life and armour if you can.
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Mapping: See the items and gem setup attached; you can use on raise spectres Quill Crab (From untainted paradise) or Gelid Zealot Eye of Winter (from Utzaal A3) or Black Scythe Arbalists (From Expeditions)
Please note that 2 of these are attackers and 1 is caster. The POB here is for the caster variant, if you use the quill crabs or black scythe arbalist, consider going for accuracy for minions on the tree (Fear of Death)