Infernalist Arsonists Endgame Build

Build Introduction

This build is all about watching the world burn! Your Skeletal Arsonists attack through walls of burning fire to decimate your foes. All while your faithful burning doggo trots around making them take more damage and just being the best boy.

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Strengths and Weaknesses

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Build Mechanics

We use our spirit to summon an army of minions that will fight with us, in PoE 2 most minions reserve spirit and are resurrected a short time after they die. With this setup we have Skeletal Arsonists that are our primary damage dealer as well as Skeletal Clerics that help keep them healthy and revive them. We also have our Summoned Infernal Hound to make enemies weaker and you will cast flame wall which also summons Raging Spirits.

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Skill Rotation

Follow the quick skill rotation below to progress through the campaign and clear groups of enemies in maps.

1. Cast Flame Wall to summon your Raging Spirits.
2. Cast Flammability on strong mobs and bosses.

Execute the steps below to optimize damage against bosses.

1. Cast Flame Wall between your minions and the boss as much as possible.
2. Keep the Flammability debuff up on the boss.
3. Keep the Pain Offering buff up against strong mobs and bosses.

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Gameplay Tips

Your Arsonists get added fire damage when they attack through your Flame walls.
After a recent patch they’ve made it so minions will teleport to you if you get to far away from them rather than them dying, this can be used if they get stuck.

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Video Guide

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Skill and Support Gems

Your Arsonists do the heavy lifting, but you will need to support them with Flame Walls and your Curse to make them really blast off.

Minion priority order:

• Arsonists to up to 5.
• Add 1 cleric.
• Use the remainder of your spirit to add more arsonists.
• Once you get to around 10 of them you can add another cleric to help keep them topped off.

The following Support Gems are listed in order of socket priority for each Skill.

Skill gems	support 1	support 2	support 3	support 4	support 5
Skeletal Warrior Minion	Heavy Swing	Brutality	Blind	–	–
Summon Infernal Hound	Fire Exposure	Strip Away	Meat Shield	Magnified Effect	Fire Mastery
Pain Offering	Persistence	Expanse	Font of Rage	–	–
Flammability	Heightened Curse	Inspiration	Hex Bloom	–	–
Flame Wall	Fortress	Arcane Tempo	Mobility	–	–

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Spirit Gems

The Spirit Gem setup requires as much Spirit as you can get. Completing The King in the Mists in Act 1 and Ignagduk, the Bog Witch in Act 3 (Normal and Cruel difficulty) in the campaign rewards 100 base Spirit. You can get more Spirit from your Sceptre, Body Armor and/or Amulet.

Spirit gems	support 1	support 2	support 3	support 4	support 5
Skeletal Arsonist Minion	Scattershot	Fire Infusion	Martial Tempo	Heft	Fire Penetration
Raging Spirits	Bullseye	Culling Strike	Immolate	Maim	Encumbrance
Grim Feast	Clarity	–	–	–	–
Skeletal Cleric Minion	Ingenuity	Minion Mastery	Last Gasp	–	–

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Ascendancy

Infernalist is the recommended Ascendancy for the Lightning Warp Conduit Sorceress. You can select your first Ascendancy at the end of Act II. The trial is not difficult, so complete it within the level range of 20-30. During the early access of Path of Exile 2, you have the option between Infernalist and Bloodmage. This choice is permanent so choose carefully!

Infernalist

Loyal Hellhound: Best doggo, really helps with debuffing enemies and your defenses.
Altered Flesh: Converts some of the taken damage to fire or chaos.
Beidat’s Will: +1 maximum spirit per 25 maximum life at the cost of reserving 25% of your life.
Beidat’s Hand: +1 maximum energy shield per 8 maximum life at the cost of reserving 25% of your life.

The extra spirit gives us more minions and we end up with a good amount of energy shield to still be quite tanky.

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Passive Skill Tree, PoB and Venom Draughts

Stats

When choosing stats on your skill tree you need to make sure you have enough Intelligence and Dexterity to use all of your skills and gear. Any extra points can be allocated to strength for more life.

Jewels

The beneficial affixes for Jewels are listed below, ranked in order of importance. Prioritize Rare Jewels with 2 prefixes and 2 suffixes.

• Prefixes
  1. 10-20% Increased maximum Energy Shield
  2. Minions Deal 5-15% increased damage
• Suffixes
  1. Minions have 2-4% increased attack and cast speed
  2. Maximum Fire resistance

Venom Draughts

Act 3 Normal: +25% increased Mana Regeneration Rate. If they allow changes later, then you can swap to stun threshold late game, or go with stun to begin with and just struggle a little with mana at the start.

Act 3 Cruel: +10% Chaos Resistance.

For more information, please continue on to our Campaign Difficulties and Permanent Stat Bonuses guide.

Path of Building

For the POB on this build, please follow the Path of Building link here. If you’re new to Path of Exile, take some time to read our How to Path of Building 2 guide!

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Gear

The preferred gear for the “Build” is listed below with affixes ranked in order of importance. Prioritize gear with the correct base stats and beneficial explicit affixes.

You can fill in the empty affixes to get resistances, stats and rarity as needed.
The anointment for your amulet is Flashy Deflections.

Equipment Slot and Base Stats	Prefixes	Suffixes
Helmet (Energy Shield)	1. Maximum Energy Shield and Increased Energy Shield 2. Maximum Life	1. +1-2 to level of all minion skills
Body Armor (Energy Shield)	1. + to Spirit 2. Maximum Energy Shield and Increased Energy Shield
Amulet	1. + to Spirit	1. +1-3 to level of all minion skills
Rattling Sceptre	1. + to Spirit	1. +1-5 to level of all minion skills
Shield	1. Increased Block Chance (you want the chance to block on the shield to say over 40%)	1. % Increased Armour and Energy Shield

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Flasks and Charms

Ultimate life and mana flasks are the strongest at end game, use as needed.
Both the anti freeze and stun charms are very good, if you can afford to get +1 charm on your belt to use both then it is worth it.

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Changelog

March 28th, 2025: Guide created for Path of Exile II, Early Access