Lightning RodAttack, AoE, Projectile, Channelling Tier: 1 Level: 1Place into a Skill Gem socket to gain this skill. These are found in the Skill Gems panel.
The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.
Gem tier
Support gems
I
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II
Lightning PenetrationLightning PenetrationSupport, Lightning Category: Lightning Penetration Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports any skill that Hits enemies, making those HitsPenetrate enemy Lightning resistance.Supported Skills Penetrate 30% Lightning ResistancePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
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III
Elemental FocusElemental FocusSupport Category: Elemental Focus Tier: 3Support Requirements: +5 IntSupports any skill that Hits enemies, causing it to deal more Elemental Damage but be unable to inflict Elemental Ailments.Supported Skills deal 25% more Elemental Damage Supported Skills cannot inflict Elemental AilmentsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
Lightning ExposureLightning ExposureSupport, Lightning, Duration Category: Lightning Exposure Tier: 4 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports any skill that Hits enemies, causing it to inflict Exposure when inflicting Shock.Supported Skills inflict Exposure for 8 seconds on Shocking a targetPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
Neural OverloadNeural OverloadSupport, Lightning Category: Electrocute Tier: 3Support Requirements: +5 DexSupports any skill that Hits enemies. Nearby enemies are marked when they are Primed for Electrocution, and hitting a marked enemy with a supported skill will Electrocute them.Supported Skills ElectrocutePrimed enemies on HitPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
IV
V
Item acquisition
Lightning Rod has restrictions on where or how it can drop.
Lightning PenetrationLightning PenetrationSupport, Lightning
Elemental FocusElemental FocusSupport
Lightning ExposureLightning ExposureSupport, Lightning, Duration
Neural OverloadNeural OverloadSupport, Lightning
