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.
Acquisition Drop restricted It can be obtained by engraving an Uncut Skill Gem.Metadata Item class: Skill Gem Metadata ID: Metadata/Items/Gem/SkillGemLightningRod
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
AccelerationAccelerationSupport, Projectile Tier: 1 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports Projectile skills, making those Projectiles travel faster.Supported Skills have 40% more Projectile SpeedPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
Magnified EffectMagnified EffectSupport, AoE Tier: 1 Cost & Reservation Multiplier: 130%Support Requirements: +5 IntSupports any skill with an area of effect, making it larger.Supported Skills have 30% more Area of EffectPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
ScattershotScattershotSupport, Projectile Tier: 1Support Requirements: +5 DexSupports Projectile skills, making them fire extra Projectiles. Also lowers Attack and Cast speed of supported skills, as well as lessening their damage.Supported Skills deal 35% less Damage Supported Skills fire 2 additional Projectiles Supported Skills have 20% less Attack and Cast SpeedPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
II
Lightning PenetrationLightning PenetrationSupport, Lightning 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 copies of the same Support Gem socketed at the same time.
LongshotLongshotSupport, Attack Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports Attacks, causing them to deal more damage from farther away.Supported Skills deal 30% more Attack Damage to enemies further than 7 metres from you, scaling down to no bonus at 3.5 metres or closerPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
Primal ArmamentPrimal ArmamentSupport, Attack Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports Attacks that use a weapon, causing them to deal more weapon Elemental damage.Supported Skills deal 25% more Weapon Elemental DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
III
Elemental FocusElemental FocusSupport 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 copies of the same Support Gem socketed at the same time.
Lightning ExposureLightning ExposureSupport, Lightning, Duration Tier: 3 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports any skill that Hits enemies, causing it to inflict Lightning Exposure when inflicting Shock.Supported Skills inflict Lightning 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 copies of the same Support Gem socketed at the same time.
Neural OverloadNeural OverloadSupport, Lightning 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 copies of the same Support Gem socketed at the same time.
Item acquisition
Lightning Rod has restrictions on where or how it can drop.