Path of Exile 2 (PoE 2)

PoE 2 0.2 Mercenary Build - Fire Grenade Witchhunter

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PoE 2 0.2 Mercenary Build - Fire Grenade Witchhunter Build
This is a Fire Grenade Witchhunter Mercenary build for Path of Exile 2 (PoE 2)'s Dawn of the Hunt Update. Check out the Fire Grenade Witchhunter Mercenary build, including its gear, socketables, skills, and playstyle!

Fire Grenade Witchhunter Build Summary

Fire Grenade Witchhunter Mercenary Build

Mapping
Cruel
Build Setup
Path of Exile 2 PoE 2 Witchhunter Portrait Fire Grenade Witchhunter
Herald of Ash Icon Herald of Thunder Icon Gas Grenade Icon Wind Dancer Icon Blasphemy Icon Oil Grenade Icon Galvanic Shards Icon
Path of Exile 2 Build Pro Great Mob Clearing

Path of Exile 2 Build Pro High DoT

Path of Exile 2 Build Pro Cheap Unique Requirement

Path of Exile 2 Build Con Low Mobility

Path of Exile 2 Build Con Squishy
Build Setup
Path of Exile 2 PoE 2 Witchhunter Portrait Fire Grenade Witchhunter
Herald of Ash Icon Plague Bearer Icon Herald of Thunder Icon Gas Grenade Icon Incendiary Shot Icon Blasphemy Icon Oil Grenade Icon Explosive Shot Icon
Path of Exile 2 Build Pro Great Mob Clearing

Path of Exile 2 Build Pro High DoT

Path of Exile 2 Build Con Low Mobility

Path of Exile 2 Build Con Squishy

The Fire Grenade Witchhunter Mercenary build makes use of igniting your enemies with Oil Grenade + Radiant Grief and clear large packs of mobs easily with Galvanic Shards and Gas Grenade explosions.

When starting out, you can keep using Incendiary Shot to ignite Oil Ground until you either reach Act 2 for Explosive Shot or obtain the Radiant Grief unique helm.

Date Changes
04-14-2025 Updated build for 0.2 patch.
01-08-2025 Added Radiant Grief unique helm to equipment. Added Herald of Thunder persistent skill and replaced Explosive Shot with Galvanic Shards. Passive Tree and Support Gems were updated.

Fire Grenade Witchhunter Equipment

Equipment
Cannonade Crossbow Icon Weapon Radiant Grief Lace Hood Icon Helmet -
Sleek Jacket Icon Body Armour
Spined Bracers Icon Gloves Utility Belt Icon Belt Lizardscale Boots Icon Boots
Ultimate Life Flask Icon Health Flask Prismatic Ring Icon Ring 1 Solar Amulet Icon Amulet Amethyst Ring Icon Ring 2 Ultimate Mana Flask Icon Mana Flask

Weapons

Bombard Crossbow is the best crossbow for Grenade builds as it provides you with an additional Grenade projectile. Make sure you have this equipped with damage modifiers for Fire and Elemental Damage to maximize your damage output.

List of Weapons

Armor

Your most important equipment to aim for endgame would be the Radiant Grief unique helm as this is capable of passively igniting your Oil Grenade and gives you a good amount of Evasion Rating and Fire Resistance.

List of Armors

Accessories

Most of the accessories for the Fire Grenade Witchhunter focuses on taking Elemental Resistances to help against Spells since they cannot be evaded and Fire Damage for maximizing your damage output. Maximum Life is a good secondary priority as well to keep yourself from getting one-shotted.

Keep in mind that the goal is to have at least 100 Spirit so you can equip all your Persistent skills for maximum effect.

List of Accessories

Jewels

Note: The modifiers listed are arranged according to priority.

Emerald Jewel Emerald ・+% Increased Elemental Damage
・+% Increased Attack Damage
・+% Increased Projectile Damage
・+% Increased Damage with Crossbows
・+% Increased Duration of Ignite, Shock and Chill on Enemies
Ruby Jewel Ruby ・+% Increased Fire Damage
・+% Increased Attack Damage
・+% Increased Chance to Ignite
・+% Increased Area of Effect

For your jewels, focus on getting Emeralds and Rubies that boost your Ignite effects as this will help you spam explosions longer. You can opt to go for defensive stats such as Armor, Life, or Evasion in case you are having trouble surviving but it is highly recommended to focus more on damage.

List of Jewels

Runes and Soul Cores

Equipment Sockets
Weapon
Armor

The best slot-in for the Weapons is the Iron Rune for more Fire Damage, and Soul Core of Zalatl to help recover Mana better. As for Armor, the Soul Core of Citaqualotl or Any Elemental Resistance Rune can help you reach the Elemental Resistance cap for all elements so try to equip as much of these as you can.

All Runes and Soul Cores
List of Runes List of Soul Cores

Charms

POE 2 Thawing Charm Thawing Charm ・Increased Duration
・Increased Charges
・Gain Charges Per Second
POE 2 Antidote Charm Antidote Charm ・Increased Duration
・Increased Charges
・Gain Charges Per Second
POE 2 Beira Beira's Anguish Dousing Charm
(Endgame)
・23% Chance to gain a Charge when you kill an enemy
・Ignite enemies in presence as though dealing Fire damage equal to 25% of your Maximum Life when used

We recommend equipping Thawing Charm or Antidote Charm depending on your current Act as many of their Bosses have specific elements that can help with your survivability. As for endgame, try to pick up or trade Beira's Anguish Dousing Charm as this works great with the Fire Grenade Witchhunter build due to the high Maximum Life it has.

List of All Charms

Fire Grenade Witchhunter Skills

The skills for Cruel difficulty as a Fire Grenade Witchhunter are practically the same as the endgame version with a few minor tweaks. In the beginning, keep using Incendiary Shot until you acquire Explosive Shot, which will become your main skill for Detonating and procing Ignite. Once you obtain the Radiant Grief unique helm, you can swap out your Explosive Shot for Galvanic Shards since this clears mobs much easier and your helmet will be your main way for procing Ignite.

As for your Persistent skills, Herald of Ash is great for spreading Ignite on kill, while the Herald of Thunder works in tandem with your Galvanic Shards. Make sure to take Blasphemy with Flammability as well to reduce the Fire Resistance of your enemies for more damage.

List of Skill Gems

Fire Grenade Witchhunter Passive Tree

Passive Tree Progression

Passive Nodes
Ascendancy Group Node
1. Feel No Pain 2. Cluster Bombs and Volatile Grenades
3. Incendiary 4. Coming Calamity
5. Burn Away 6. Burning Nature
7. Explosive Impact 8. Volcanic Skin

The passive skill tree for Fire Grenade Witchhunter focuses on taking nodes that can boost your Fire Damage and Ignite damage, and provide chances to consistently apply damage over time. Make sure to get the required attributes for your skills and invest the rest on Intelligence to help manage your mana and increase your energy shields.

As for your Ascendancy tree, Zealous Inquisition will give you a chance of exploding your enemies on kill which helps you greatly for mobbing, and Pitiless Killer to deal with Rare and Unique enemies. If you have extra points you can aim to get Judge, Jury, and Executioner as this will give you a chance of procing Decimating Strike to help deal with high HP enemies.

Passive Skill Tree Guide and List of Passives

Fire Grenade Witchhunter Playstyle

Skill Rotation

Type Skill Rotation
Cruel
Oil Grenade Icon Gas Grenade Icon Gas Grenade Icon Explosive Shot Icon
Mapping
Oil Grenade Icon Gas Grenade Icon Gas Grenade Icon Galvanic Shards Icon

Cruel

The skill rotation for the Fire Grenade Witchhunter build revolves around igniting your enemies with huge AoE skills that can spread ailments in a wide area. The rotation is as follows:

  1. Fire Oil Grenade then Gas Grenade on top.
  2. Ignite the Oil Ground with Explosive Shot or the Radiant Grief passive, causing your enemies to be Burned and trigger the Gas Cloud explosion.
  3. Rinse and Repeat.

Mapping

The skill rotation for the Fire Grenade Witchhunter build revolves around clearing mobs using huge DoT from your grenades with the help of Galvanic Shards. The rotation is as follows:

  1. Fire Oil Grenade then Gas Grenade on top to stack DoT.
  2. Let Radiant Grief ignite the Oil Ground.
  3. Spam Galvanic Shards to clear waves faster.
  4. Rinse and Repeat.

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Mercenary Class and Ascendancy Guides

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