Patch 0.5.5 · Updated Oct 3, 2026

Arc

Skill Gems

Arc is a Skill Gem (Intelligence) in Path of Exile 2. It is usable from character level 14 and can be cut from an Uncut Gem of level 5 or higher. Tags: Spell, Projectile, Lightning, Chaining, Repeatable.

Gem level 1

Arc

Spell, Projectile, Lightning, Chaining, Repeatable

Level: 1

Cost: 8 Mana

Cast Time: 1.1 sec

Critical Hit Chance: 9%

More damage from Lightning Infusion: 200%

Additional Chains from Lightning Infusion: 6

An arc of Lightning stretches from the caster to a targeted enemy and Chains on to other nearby enemies. Consumes a Lightning Infusion if possible to deal more damage and Chain further.

50% increased Magnitude of Shock inflicted

Deals 1 to 13 Lightning Damage

Chains +5 times

Type: Skill Gems
Attribute: Intelligence
Tags: Spell, Projectile, Lightning, Chaining, Repeatable
Usable from character level: 14
Gemcutting: Uncut Gem level 5 or higher
Gemcutting category: Elemental
Levels: 1–40

Quality

At 20% quality

Chains +2 times

Additionally with Advanced Thaumaturgy (Gemling Legionnaire)

Projectiles deal 3% more Damage with Hits for each remaining Chain

Used in builds

None of our builds uses this yet.

Values per level

Only values that change with the level – fixed values are in the tooltip. Click a row to show that level in the tooltip.

Level	Character level	Cost	Deals # to # Lightning Damage	Chains +# times
1	–	8 Mana	1–13	5
2	3	9 Mana	1–17	5
3	6	11 Mana	1–24	5
4	10	12 Mana	2–31	5
5	14	14 Mana	2–39	6
6	18	17 Mana	3–48	6
7	22	19 Mana	3–58	6
8	26	22 Mana	4–69	6
9	31	24 Mana	4–82	6
10	36	28 Mana	5–96	7
11	41	31 Mana	6–112	7
12	46	35 Mana	7–130	7
13	52	39 Mana	8–151	7
14	58	44 Mana	9–174	7
15	64	49 Mana	10–199	8
16	66	54 Mana	12–228	8
17	72	60 Mana	14–261	8
18	78	67 Mana	16–298	8
19	84	74 Mana	18–339	8
20	90	81 Mana	20–386	9

Levels 21–40 (from additional gem levels)

Level	Character level	Cost	Deals # to # Lightning Damage	Chains +# times
21	–	90 Mana	23–439	9
22	–	99 Mana	26–499	9
23	–	109 Mana	30–567	9
24	–	120 Mana	34–644	9
25	–	132 Mana	38–731	10
26	–	145 Mana	44–830	10
27	–	159 Mana	50–943	10
28	–	174 Mana	56–1071	10
29	–	190 Mana	64–1217	10
30	–	208 Mana	73–1384	11
31	–	228 Mana	83–1574	11
32	–	249 Mana	94–1791	11
33	–	271 Mana	107–2039	11
34	–	296 Mana	122–2324	11
35	–	323 Mana	139–2650	11
36	–	352 Mana	159–3024	11
37	–	383 Mana	182–3454	11
38	–	417 Mana	208–3949	11
39	–	454 Mana	238–4518	11
40	–	494 Mana	272–5175	12

Matching supports 237

237 Support Gems can support this skill.

Strength 61

Armour Break I Armour Break II Armour Break III Armour Demolisher I Armour Demolisher II Arms Length Atalui's Bloodletting Bleed I Bleed II Bleed III Bleed IV Break Endurance Brutality I Brutality II Brutality III Concoct I Concoct II Dauntless Deep Cuts I Deep Cuts II Devastate Efficiency I Efficiency II Enduring Impact I Enduring Impact II Eternal Flame I Eternal Flame II Eternal Flame III Execute I Execute II Execute III Exploit Weakness Fire Attunement Fire Exposure Fire Penetration I Fire Penetration II Flame Pillar Flamepierce Heft Ignite I Ignite II Ignite III Knockback Lifetap Rageforged I Rageforged II Relentless Rage Rupture Rusted Spikes Searing Flame I Searing Flame II Stun I Stun II Stun III Uhtred's Augury Uhtred's Exodus Uhtred's Omen Unbreakable Uruk's Smelting Uul-Netol's Embrace Xoph's Pyre

Dexterity 78

Admixture Arakaali's Lust Blind I Blind II Blindside Bounty I Bounty II Bursting Plague Chain I Chain II Chain III Chance to Freeze Charm Bounty Commiserate Corrosion Deadly Poison I Deadly Poison II Deliberation Dominus' Grasp Electrocute Eonyr's Thunder Escalating Poison Ferocity Fork Hobble Inhibitor Innervate Lasting Shock Leverage Life Bounty Life Drain Lightning Attunement Lightning Exposure Lightning Penetration Lockdown Malady Mana Bounty Mobility Momentum Multishot I Multishot II Neural Overload Nova Projectiles I Nova Projectiles II Outmaneuver Overcharge Pierce I Pierce II Pierce III Pin I Pin II Pin III Poison I Poison II Poison III Projectile Acceleration I Projectile Acceleration II Projectile Acceleration III Projectile Deceleration I Projectile Deceleration II Rakiata's Flow Retreat I Retreat II Retreat III Ricochet I Ricochet II Ricochet III Shock Slow Potency Soul Drain Stormchain Swift Affliction I Swift Affliction II Swift Affliction III Tacati's Ire Tul's Stillness Tumult Wind Wave

Intelligence 89

Ambrosia Ambrosia II Ambush Arbiter's Ignition Arcane Surge Atziri's Call Biting Frost I Biting Frost II Blazing Critical Bone Shrapnel Brittle Armour Catharsis Chaos Attunement Cold Attunement Cold Exposure Cold Penetration Concussive Spells Considered Casting Controlled Destruction Coursing Current Deep Freeze Derange Dialla's Desire Electromagnetism Elemental Discharge Elemental Focus Embitter Energy Barrier Enervation Esh's Radiance Excise Execrate Extraction Fiery Death Freeze Freezefork Frost Nexus Frostfire Frozen Vortex Gambleshot Hourglass Ice Bite I Ice Bite II Inexorable Critical I Inexorable Critical II Invocation Lightning Mastery Living Lightning Living Lightning II Mana Flare Minion Pact I Minion Pact II Oisín's Oath Pinpoint Critical Potent Exposure Potential Practical Magic I Practical Magic II Profanity I Profanity II Rapid Casting I Rapid Casting II Rapid Casting III Rising Tempest Shock Conduction Shock Conduction II Shock Siphon Sione's Temper Soulbreaker Spreading Frost Static Shocks Stormfire Supercritical Thrill of the Kill Thrill of the Kill II Unbending Unleash Varashta's Blessing Verglas Vilenta's Propulsion Volatile Power Volatility Wildfire Wildshards I Wildshards II Withering Touch Zarokh's Revolt Zenith I Zenith II

No attribute 9

Breachlord's Amalgam Breachlord's Rift Esh's Prowess Mórrigan's Insight Prototype Seventeen Runic Extraction Scouring Flame Styrn's Anthem Trickster's Shard