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Path of Exile 2 (PoE 2)

PoE 2 0.3 Mercenary Build - Galvanic Shards Gemling Legionnaire

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This is a Galvanic Shards Gemling Legionnaire Mercenary build for endgame in Path of Exile 2 (PoE 2)'s The Third Edict Update. Check out the Galvanic Shards Gemling Legionnaire Mercenary build, including its gear, socketables, skills, and playstyle!

Galvanic Shards Gemling Legionnaire Build Summary

NickZiri's Lucky Galvanic Shards Gemling Legionnaire Build

This Lucky Galvanic Shards Gemling Legionnaire build is based on a build by NickZiri over at NickZiri (Youtube). The video includes details on how to gear up to get the build online. Check out NickZiri's YouTube and Twitch channel for more Path of Exile 2 content and ask questions about the build!

Galvanic Shards Gemling Legionnaire Mercenary Build

Build Setup
Path of Exile 2 PoE 2 Witchhhunter PortraitGalvanic Shards Gemling Legionnaire Build
Crossbow Shot Icon Herald of Thunder Icon Stormcaller Arrow Icon Voltaic Mark Icon Wind Dancer Icon Emergency Reload Icon Shockburst Rounds Icon Galvanic Shards Icon Mortar Cannon Icon
Path of Exile 2 Build Pro High Lightning Burst Damage

Path of Exile 2 Build Pro Attribute Scaling

Path of Exile 2 Build Pro Crit and Ailment Immunity

Path of Exile 2 Build Con Requires Positioning

Path of Exile 2 Build Con Expensive to Start

The Galvanic Shards Gemling Legionnaire build for endgame features a one-button playstyle by spamming Galvanic Shards to easily clear mobs and take on high tier endgame content. This build also focuses on stacking Attributes to further boost their damage, attack speed, and survivability.

Date Changes
09-15-2025 Updated build with new Support Gems, Equipment modifiers, and Passive Tree changes.
09-09-2025 Galvanic Shards Gemling Legionnaire endgame build was created.

Galvanic Shards Gemling Legionnaire Equipment

Gear Affixes
Gemini Crossbow IconGemini Crossbow
(Weapon Set 1)
Cavalry Bow IconCavalry Bow
(Weapon Set 2)
・Adds Fire Damage
・Adds Lightning Damage
・Gain Damage as Extra Lightning Damage
・Level of All Attack Skills
・Loads 2 Additional Bolts
・Gain Onslaught on Killing Hits
・Increased Physical Damage
・Adds Physical Damage
・Adds Lightning Damage
・Accuracy Rating
・Increased Attack Speed
・Level of All Projectile Skills
・Gain Mana per Enemy Killed
Primed Quiver IconPrimed Quiver
(Weapon Set 2)
・Adds Fire Damage
・Adds Lightning Damage
・Increased Attack Speed
・Increased Projectile Speed
・Increased Critical Damage Bonus
・Dexterity
Constricting Command Viper Cap IconConstricting Command Viper Cap ・Increased Maximum Life
・All Attributes
・Life Regeneration per Second
・Required 5 Fewer Enemies to be Surrounded
Corsair Coat IconCorsair Coat ・Evasion Rating
・Increased Evasion Rating
・Maximum Life
・Cold Resistance
・Lightning Resistance
・Gain % Deflection Rating Equal to Evasion Rating
Hand of Wisdom and Action Spiral Wraps IconHand of Wisdom and Action Spiral Wraps
・Dexterity
・Intelligence
・Increased Attack Speed per 20 Dexterity
・Adds Lightning Damage per 20 Intelligence
Daggerfoot Shoes IconDaggerfoot Shoes
・Increased Movement Speed
・Evasion Rating
・Maximum Energy Shield
・Maximum Life
・Dexterity
・Cold Resistance
・Lightning Resistance
Astramentis Stellar Amulet IconAstramentis Stellar Amulet
Allocates: Pure Power
・Increased Lightning damage per 10 Intelligence
・All Attributes
・- Physical Damage Taken from Hits
KalandraKalandra's Touch Ring
・Reflects Opposite Ring
Ruby Ring IconRuby Ring
・Adds Physical Damage to Attacks
・Adds Cold Damage to Attacks
・Maximum Life
・Dexterity
・Intelligence
・All Elemental Resistancese
Ultimate Life Flask IconUltimate Life Flask
・More Recovery if used on Low Life
・Increased Charges Gained
Ultimate Mana Flask IconUltimate Mana Flask
・Gain Charges per Second
・More Recovery if used on Low Mana

Weapons

Focus on getting a Gemini Crossbow since this allows you to load an additional Bolt for your Galvanic Shards. The rest of your modifiers should be stacking more Physical and Lightning damage, as well as getting higher tiers to Levels of All Projectile Skills and further scale up your main skill.

List of Weapons

Armor and Accessories

The most important uniques to use here would be the Constricting Command and Hand of Wisdom and Action as this gives benefit to your Surrounded passive tree nodes and scale your damage and attack speed respectively. Lastly, make sure to equip the Astramentis unique amulet since this provides a huge Attribute boost which most of your damage scales off from.

List of Armors List of Accessories

Runes and Soul Cores

Equipment Sockets
Weapon
Armor

Your runes should make use of the Thane Leld's Rune of Spring to add more flat Lightning damage on your weapon. Slot in a Greater Desert Rune on your Gloves and Boots, and put a Greater Storm Rune and Greater Glacial Rune on your Helm and Gloves respectively to help you reach the 75% Resistance cap.

Try to equip three Greater Iron Runes on your Body Armor so you can benefit from the increased Evasion rating.

List of Runes List of Soul Cores

Belts and Charms

Belt Modifiers
Ingenuity Utility Belt IconIngenuity Utility Belt ・Increased Charm Charges Gained
・Reduced Charm Charges Used
・Increased Bonuses from Left Equipped Ring
・Increased Bonuses from Right Equipped Ring
Charm Options
POE 2 Thawing CharmThawing Charm POE 2 Sanguis Heroum Staunching CharmSanguis Heroum Staunching Charm POE 2 Antidote CharmAntidote Charm

The Ingenuity unique belt fits perfectly for this build due to the bonus stats it provides for both of your rings. Otherwise, you can use a regular belt or the Headhunter unique belt as this gives great stat bonuses and rare monster modifiers.

As for your Charms, we recommend equipping the Thawing Charm and Antidote Charm for dealing with Freeze and Poison ailments that can potentially kill you. Slot in the Sanguis Heroum unique charm to enable Consecrated Ground for better survivability throughout high tier maps.

List of All Belts List of All Charms

Galvanic Shards Gemling Legionnaire Skills

※ The Support Gems' priority are arranged in a descending order. The first one being the most important and the last being the least crucial.

All Active and Persistent Skills

Skill Support Gems
Crossbow Shot IconCrossbow Shot
Galvanic Shards IconGalvanic Shards
Shockburst Rounds IconShockburst Rounds
Mortar Cannon IconMortar Cannon
Stormcaller Arrow IconStormcaller Arrow
Voltaic Mark IconVoltaic Mark
Emergency Reload IconEmergency Reload
Herald of Thunder IconHerald of Thunder
Wind Dancer IconWind Dancer

Your main skill would be spamming Galvanic Shards for clearing maps since this deal huge burst damage that can cover a wide range. Shockburst Rounds will be used for dealing with Bosses since this provides high single-target damage, especially against Shocked enemies. Furthermore, you will have to use Voltaic Mark with Stormcaller Arrow for consistent Shock procs, and Mortar Cannon to build up Electrocute and stun your enemies for huge openings.

As for your Persistent skills, prioritize getting Herald of Thunder so you can proc Lightning Bolts for more lightning damage. Wind Dancer will be your failsafe to help increase your evasion and apply a knockback in tight situations.

Do note that your Crossbow Shot is mainly used for balancing your support gems between Strength, Dexterity, and Intelligence and is not required to be used in your skill rotation.

List of Skills

Galvanic Shards Gemling Legionnaire Passive Tree

Passive Tree Progression

Ascendency Passive Nodes
Motoric Implants and Integrated Efficiency
Passive Nodes
1. Remorseless and Ricochet 2. Thrill of Battle and In The Thick of It
3. Frantic Fighter and Polymathy 4. Flash Storm and Giantslayer
5. Falcon Dive and Avoiding Despair 6. Trained Deflection, Winter Owl, and Falcon Technique
7. Walker of the Wilds and General Electric 8. -
Screenshots taken from Path of Building.

Your Ascendancy passive nodes as a Gemling Legionnaire should prioritize taking the Motoric Implants as early as you can since you will be stacking a lot of Attributes that can completely benefit from this ascendancy node. Once you have all your Red support gems equipped, Integrated Efficiency should give you a huge damage boost with an additional 20% Damage per socketed Red support gem.

Since we are using the Constricting Command unique helm, we will be making use of the Surrounding passive nodes such as Thrill of Battle and Frantic Fighter to consistently give you damage, survivability, and movement speed. Make sure to take the Walker of the Wilds keystone passive to enable mana leech with all your skills. The rest of your notable passive nodes should focus on gaining damage, attack speed, and evasion as you progress through the passive tree.

Passive Skill Tree Guide and List of Passives

Jewels

Time-Lost Emerald Time-Lost Emerald ・Increased Effect of Small Passive Skills in Radius
・Small Passive Skills in Radius also grant increased Lightning Damage
・Small Passive Skills in Radius also grant increased Evasion Rating
・Notable Passive Skills in Radius also grant increased Attack Speed
Heart of the Well Diamond Heart of the Well Diamond ・Gain Damage as Extra Lightning Damage
・Recover Maximum Life on Kill
・Increased Chance to Inflict Ailments
・Increased Energy Shield from Equipped Body Armour
Controlled Metamorphosis Diamond Controlled Metamorphosis Diamond ・Only Affects Passives in Medium Ring
・Passives in Radius can be Allocated without being connected to your Tree
・- All Elemental Resistances
・- Chaos Resistance
Megalomaniac Diamond Megalomaniac Diamond Allocates: The Great Boar
・Life per Dexterity
・Stun Threshold per Dexterity
・Strength
Allocates: Immortal Infamy
・Increased Energy Shield Recharge Rate
・Recover Maximum Life on Kill
・Intelligence
Heroic Tragedy Timeless Jewel Heroic Tragedy Timeless Jewel ・Remembrancing Songworty deeds by the Line of Olroth
・Passives in Radius are Conquered by the Kalguur
・Historic

For your first jewel slot, put in the Time-Lost Emerald to gain more Lightning damage, attack speed, and evasion rating based on the nearby small and notable passives. On the far left side of your Passive Tree, slot in the Heart of the Well unique jewel for that extra Lightning damage and survivability with recover max life on kill.

Make sure your Controlled Metamorphosis has a Medium Ring modifier and place it on the jewel slot near Flash Storm so you can allocate Run and Gun, Spray and Pray and the Cunning Fox notable passives without spending too much points to reach it. Next, the jewel slot above the Falcon Dive notable passive can be either a Megalomaniac Diamond or Emerald jewel with Lightning damage depending on your currencies and preference.

Lastly, slot in the Heroic Tragedy unique jewel right next to the Walker of the Wilds keystone passive so you can allocate Stupefy to maximize your damage output.

List of Jewels

Galvanic Shards Gemling Legionnaire Playstyle

Mobbing Rotation

For mobbing and clearing maps, all you need to do is spam your Galvanic Shards to wipe out packs and fast clear high tier maps. The rotation is as follows:

  1. Spam Galvanic Shards for clearing mobs and dealing burst damage.
  2. Rinse and repeat.

Bossing Rotation

Against difficult Bosses, your focus will be procing Shock with Stormcaller Arrow and spamming Shockburst Rounds for high single-target DPS. The rotation is as follows:

  1. Use Voltaic Mark to increase your Shock chances.
  2. Summon Mortar Cannons to start building up Electrocute.
  3. Shoot Stormcaller Arrows until they get inflicted with Shock.
  4. Spam Shockburst Rounds for huge single-target damage until their Shock duration expires.
  5. Activate Emergency Reload before Shockburst Rounds runs out for the damage boost and instant reload.
  6. Rinse and repeat.

Path of Exile 2 (PoE 2) Related Guides

Builds Partial Banner List of All Builds ## Best Builds

Rank Build
S tier Icon
A tier Icon
B tier icon
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## 0.3 Leveling Builds
Warrior LevelingSlam Fissure Warrior Ranger LevelingLightning Arrow Ranger Mercenary LevelingLightning Shotgun Mercenary
Monk LevelingCold Lightning Monk Witch LevelingDrain Contagion Witch Huntress LevelingLightning Spear Huntress
Sorceress LevelingFireball Sorceress - -
## All Build Guides
List of Builds by Class
Path of Exile 2 - Huntress IconHuntress Path of Exile 2 - Mercenary Builds Mercenary Path of Exile 2 - Monk Builds Monk
Path of Exile 2 - Witch Builds Witch Path of Exile 2 - Sorceress Builds Sorceress Path of Exile 2 - Warrior Builds Warrior
Path of Exile 2 - Ranger Builds Ranger - -
Other Build Guides
0.3 Leveling Builds How to Make a Good Build

Mercenary Leveling Builds

Lightning MercenaryLightning Mercenary
UP
Herald of Thunder Icon Wind Dancer Icon Voltaic Grenade Icon Emergency Reload Icon Shockburst Rounds Icon Galvanic Shards Icon

Focus: AoE, Fast Clear, Lightning

Mercenary Endgame Builds

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Focus: DoT, Burst Damage, Bossing, Mobbing
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Focus: Lightning, Burst, Attribute Stacking, Mobbing, Bossing

Mercenary Class and Ascendancy Guides

Base Class
Path of Exile 2 (PoE 2) - Mercenary Portrait Mercenary
Ascendancies
Path of Exile 2 (PoE 2) WitchhunterWitchhunter Path of Exile 2 (PoE 2) Gemling LegionnaireGemling Legionnaire Path of Exile 2 (PoE 2) TacticianTactician

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