Since it is not a projectile, Arc cannot Pierce SupportPierce SupportSupport, Projectile Icon: p Level: (1-20) Cost & Reservation Multiplier: 120%Requires Level 4Supports projectile skills.Projectiles from Supported Skills Pierce (2-4) additional Targets Supported Skills deal (0-19)% more Projectile Damage
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Projectile DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. or Fork SupportFork SupportSupport, Projectile Icon: Y Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 31Supports projectile skills, making their projectiles fork into two projectiles the first time they hit an enemy and don't pierce it.Projectiles from Supported Skills Fork Supported Skills deal (-10-9)% more Projectile Damage
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Projectile DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket., and it cannot be supported with GreaterGreater Multiple Projectiles SupportSupport, Projectile Icon: P Level: (1-20) Cost & Reservation Multiplier: 150%Requires Level 38Supports projectile skills.Supported Skills deal (35-26)% less Projectile Damage Supported Skills fire 4 additional Projectiles
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Projectile DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. or LesserLesser Multiple Projectiles SupportSupport, Projectile Icon: l Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 8Supports projectile skills.Supported Skills deal (15-6)% less Projectile Damage Supported Skills fire 2 additional Projectiles
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Projectile DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. Multiple Projectiles. Supporting Arc with Chain SupportChain SupportSupport, Chaining, Projectile Icon: c Level: (1-20) Cost & Reservation Multiplier: 150%Requires Level 38Supports projectile skills, and any other skills that chain.Supported Skills Chain +2 times Supported Skills deal (30-11)% less Damage with Hits
Additional Effects From 1-20% Quality: Supported Skills have (0.5-10)% increased Chaining rangeThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. will result in additional chains.
Arc will chain to a random target within a specified radius centered on last target struck. Arc cannot chain back to the same target immediately, and must bounce one more time before chaining to the previous target.
Arc, when not cast at any enemy, will target the nearest one within the skill's range.
Can be used in left mouse button slot to cast and move.
Note that helmet enchantments are no longer obtainable since version 3.23.0 and can only be obtained in permanent leagues as already enchanted items from before this patch.
Replaces the standard effect on an ArcArcSpell, Chaining, Lightning Level: (1-20) Cost: (8-23) Mana Cast Time: 0.70 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 120%Requires Level 12An arc of lightning reaches from the caster to a targeted enemy and chains to other enemies, but not immediately back. Each time the arc chains, it will also chain a secondary arc to another enemy that the main arc has not already hit, which cannot chain further.Deals (6-198) to (32-1122) Lightning Damage Chains +(4-7) Times 15% more Damage with Hits and Ailments for each remaining Chain
Additional Effects From 1-20% Quality: Chains +(0.05-1) TimesPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. gem with an automaton version.
Purple ArcPurple ArcSkill Gem EffectYour Arc becomes a Purple Effect.
120
Replaces the standard effect on an ArcArcSpell, Chaining, Lightning Level: (1-20) Cost: (8-23) Mana Cast Time: 0.70 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 120%Requires Level 12An arc of lightning reaches from the caster to a targeted enemy and chains to other enemies, but not immediately back. Each time the arc chains, it will also chain a secondary arc to another enemy that the main arc has not already hit, which cannot chain further.Deals (6-198) to (32-1122) Lightning Damage Chains +(4-7) Times 15% more Damage with Hits and Ailments for each remaining Chain
Additional Effects From 1-20% Quality: Chains +(0.05-1) TimesPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. skill gem with a purple effect.
The CataclysmThe Cataclysm13Level 21 Spell Gem CorruptedThe mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.
Random corruptedlevel 21 Spell gem
A
6
The FoxThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox." - Ezomyte Proverb
Random level 20 gem
A
3
Gemcutter's PromiseGemcutter's Promise3Gem Quality:+20%"I swore to use my position to help the people. What good is power when it just accumulates on the already-powerful?" - Erasmus, Imperial Gemcutter
Random gem with 20% quality
A
1
Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item Item drops after killing {0} monstersRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
Random gem with 1–20% quality
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1
The VoidThe Void1Reach into the Void and claim your prize.
Random divination card set exchange
A
Quest reward
This item is given as a quest reward for the following quests:
Damage increased by around 20% higher at level 20.
In addition to having more damage, Arc now increases in number of chains more often as it levels up. At level 20, it chains seven times. Previously this was five.
ArcArcSpell, Chaining, Lightning Level: (1-20) Cost: (8-23) Mana Cast Time: 0.70 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 120%Requires Level 12An arc of lightning reaches from the caster to a targeted enemy and chains to other enemies, but not immediately back. Each time the arc chains, it will also chain a secondary arc to another enemy that the main arc has not already hit, which cannot chain further.Deals (6-198) to (32-1122) Lightning Damage Chains +(4-7) Times 15% more Damage with Hits and Ailments for each remaining Chain
Additional Effects From 1-20% Quality: Chains +(0.05-1) TimesPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. and Vaal ArcVaal ArcSpell, Chaining, Vaal, Lightning, Duration Level: (1-20) Souls Per Use: 25 Can Store 1 Use(s) Soul Gain Prevention: 2 sec Cast Time: 0.70 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 220%Requires Level 12A shocking arc of lightning reaches from the caster to a targeted enemy and chains to other enemies. Each time the arc chains from an enemy, it will do so simultaneously to two further enemies, but never to enemies that have already been hit by any of these chains. Also grants a buff making your Arc damage lucky for a short duration.Deals (38-924) to (64-1539) Lightning Damage 100% increased Duration of Lightning Ailments Base duration is 4.00 seconds 100% chance to Shock enemies Chains +(5-9) Times 15% more Damage with Hits and Ailments for each remaining Chain 100% increased Effect of Lightning Ailments
Additional Effects From 1-20% Quality: Chains +(0.05-1) TimesCorruptedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. have had their damage increased by 60%. Arc and Vaal Arc can now no longer chain back to the same target immediately, but must now bounce one more time. Arc now increases in chain counts as the gem increases in level.
Spells with Damage Effectiveness no longer have their own damage affected by Damage Effectiveness. Damage values on these skills have been updated to reflect this.