VulnerabilitySpell, AoE, Physical, Duration, Curse Tier: 7 Level: 1Curses all targets in an area after a short delay, making Hits against them ignore a portion of their Armour.Curse applies after 1.0 second delay Curse radius is 1.9 metres Curse duration is 7 seconds Hits against Cursed Enemies ignore 2376 ArmourPlace 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
Decaying HexDecaying HexChaos, Curse Tier: 1 Level: 1 Cost & Reservation Multiplier: 130%Supports Curse Skills. Cursed enemies' bodies decay, taking Chaos damage over time.Supported Skills inflict Decay, dealing 60% of Intelligence as Chaos damage per second for 8 secondsPlace 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.
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.
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
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.
Ritualistic CurseRitualistic CurseCurse Tier: 2 Level: 1Supports Curse skills, causing them to cover a larger area but take longer to Curse enemies.Curse zones from Supported Skills erupt after 30% increased delay Supported skills have 50% increased 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.
III
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.
Hex BloomHex BloomAoE, Curse Tier: 3 Level: 1 Cost & Reservation Multiplier: 120%Supports Curses, spreading their effects when a Cursed enemy dies.Curses from Supported Skills spread to enemies within 3 metres when a Cursed enemy diesPlace 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.
MobilityMobilityTier: 3 Level: 1Supports skills that can be used while moving, allowing you to move faster while using them.30% less Movement Speed penalty while using Supported SkillsPlace 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
Vulnerability has restrictions on where or how it can drop.