ConductivitySpell, AoE, Lightning, Duration, Curse Tier: 7 Level: 1Curses all targets in an area after a short delay, lowering their Lightning Resistance.Curse apples after 1.0 second delay Curse radius is 1.9 metres Curse duration is 7 seconds Cursed enemies have -34% to Lightning ResistancePlace into a Skill Gem socket to gain this skill. Sockets are found in the Skills menu tab.
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
Impending DoomImpending DoomSpell, AoE, Trigger, Chaos Tier: 1 Level: 1 Cost & Reservation Multiplier: 130% Cooldown Time: 0.15 sec Can Store 3 Use(s) Cast Time: 1.00 sec Critical Strike Chance: 5.00%Supports Curse skills you cast yourself, causing them to trigger Doom Blast on Cursed enemies when the Curse expires.Trigger Doom Blast when Curses from Supported Skills expire
Doom Blast Deals base Chaos Damage equal to 15% of your Current ManaPlace 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 EffectAoE Tier: 1 Level: 1 Cost & Reservation Multiplier: 120%Supports any skill with an area of effect, making it larger.Supported Skills have 40% 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.
PersistencePersistenceDuration Tier: 1 Level: 1 Cost & Reservation Multiplier: 120%Supports any skill that has a duration, making that duration longer.Supported Skills have 40% more Skill Effect DurationPlace 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
Coming Soon
Coming Soon
Focused CurseFocused CurseCurse Tier: 2 Level: 1 Cost & Reservation Multiplier: 120%Supports Curse skills, causing them to Curse enemies more quickly after being cast.Curse zones from Supported Skills erupt after 30% reduced delay.Place 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
Burning InscriptionBurning InscriptionAoE, Fire Tier: 3 Level: 1Supports any skill which creates Runic Inscriptions when Cast, causing those Runic Inscriptions to trigger Burning Inscription when they expire. Burning Inscriptions is a Spell which creates Ignited Ground based off of your Maximum Mana.Place 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.
Coming Soon
Cursed GroundCursed GroundTier: 3 Level: 1Supports Curse Skills. Supported Curse Skills no longer have an activation delay, instead creating areas which Curse Enemies so long as they are within them.Supported Skills create Cursed Ground Enemies on the Cursed Ground from a Supported Skill are Cursed while within it Maximum 1 area of Cursed GroundPlace 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
Conductivity has restrictions on where or how it can drop.