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
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Holy DescentHoly DescentSupport, AoE, Duration Category: Holy Descent Tier: 5Support Requirements: +5 StrSupports Skills that leap into the air, causing them to create Consecrated Ground when you landSupported Skills create Consecrated Ground for 4 seconds on landing Supported Skills create Consecrated Ground in an area of 2.2 metresPlace 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.
MaimMaimSupport, Attack Category: Maim Tier: 2Support Requirements: +5 DexSupports Attacks, causing them to Maim enemies.Supported Attacks always Maim 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.
III
Coming Soon
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
Electrocuting Arrow has restrictions on where or how it can drop.