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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ExpanseExpanseSupport, AoE Category: Grants Cooldown Tier: 1 Cooldown Time: 8.00 sec Can Store 1 Use(s)Support Requirements: +5 IntSupports any Skill that you use yourself, granting it significantly higher Area of Effect but causing it to gain a long cooldown. Cannot support Skills which already have a cooldown.Supported Skills have 50% increased Area of Effect Supported Skills have a Cooldown of 8 secondsPlace 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.
InnervateInnervateSupport, Attack, Lightning, Duration Category: Innervate Tier: 1Support Requirements: +5 DexSupports Attacks you use yourself. Killing a Shocked enemy with supported skills infuses all of your Attacks with Lightning damage for a short time.Attacks gain 25% of Damage as Lightning Damage for 5 seconds on killing a Shocked enemy with Supported SkillsPlace 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.
II
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Rising TempestRising TempestSupport Category: Rising Tempest Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 IntSupports Skills which deal Damage, raising Elemental Damage dealt for each Skill used Recently of a different Elemental type. Cannot support Minion Skills.Supported Skills deal 12% more Elemental Damage for each Skill used Recently of a different Elemental typePlace 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
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.
ForkForkSupport, Projectile Category: Fork Tier: 3 Cost & Reservation Multiplier: 110%Support Requirements: +5 DexSupports Projectile skills, making their ProjectilesFork.Projectiles from Supported Skills Fork Projectiles from Supported Skills deal 30% less Damage after ForkingPlace 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.
Item acquisition
Shockchain Arrow has restrictions on where or how it can drop.
ExpanseExpanseSupport, AoE
InnervateInnervateSupport, Attack, Lightning, Duration
Rising TempestRising TempestSupport
Elemental FocusElemental FocusSupport
ForkForkSupport, Projectile
