PoE2 skill gem

Arc

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.

Current data

Catalog version 0.5.4d

No direct 0.5 patch change is linked to this page. The displayed values are current for catalog version 0.5.4d.

Effects

5 effects

Requirements and restrictions

1 requirement groups
Player requirementsLevel (1-90), (4-157) Int
Source requirement text

Requires: Level (1-90), (4-157) Int

Gem level progression

40 levels
Arc levels 1 to 20
LevelRequires LevelIntManaBase DamageDeals 1 to 13 Lightning DamageChains 5 times
1048100%, 100%, 100%1, 135
2399100%, 100%, 100%1, 175
361411100%, 100%, 100%1, 245
4102112100%, 100%, 100%2, 315
5142814100%, 100%, 100%2, 396
6183517100%, 100%, 100%3, 486
7224119100%, 100%, 100%3, 586
8264822100%, 100%, 100%4, 696
9315724100%, 100%, 100%4, 826
10366528100%, 100%, 100%5, 967
11417431100%, 100%, 100%6, 1127
12468235100%, 100%, 100%7, 1307
13529239100%, 100%, 100%8, 1517
145810344100%, 100%, 100%9, 1747
156411349100%, 100%, 100%10, 1998
166611654100%, 100%, 100%12, 2288
177212660100%, 100%, 100%14, 2618
187813767100%, 100%, 100%16, 2988
198414774100%, 100%, 100%18, 3398
209015781100%, 100%, 100%20, 3869
Beyond level 20, 20 levels
Arc levels beyond 20
LevelRequires LevelIntManaBase DamageDeals 1 to 13 Lightning DamageChains 5 times
21Not applicableNot applicable90100%, 100%, 100%23, 4399
22Not applicableNot applicable99100%, 100%, 100%26, 4999
23Not applicableNot applicable109100%, 100%, 100%30, 5679
24Not applicableNot applicable120100%, 100%, 100%34, 6449
25Not applicableNot applicable132100%, 100%, 100%38, 73110
26Not applicableNot applicable145100%, 100%, 100%44, 83010
27Not applicableNot applicable159100%, 100%, 100%50, 94310
28Not applicableNot applicable174100%, 100%, 100%56, 107110
29Not applicableNot applicable190100%, 100%, 100%64, 121710
30Not applicableNot applicable208100%, 100%, 100%73, 138411
31Not applicableNot applicable228100%, 100%, 100%83, 157411
32Not applicableNot applicable249100%, 100%, 100%94, 179111
33Not applicableNot applicable271100%, 100%, 100%107, 203911
34Not applicableNot applicable296100%, 100%, 100%122, 232411
35Not applicableNot applicable323100%, 100%, 100%139, 265011
36Not applicableNot applicable352100%, 100%, 100%159, 302411
37Not applicableNot applicable383100%, 100%, 100%182, 345411
38Not applicableNot applicable417100%, 100%, 100%208, 394911
39Not applicableNot applicable454100%, 100%, 100%238, 451811
40Not applicableNot applicable494100%, 100%, 100%272, 517512

Quality effects

2 effects

Arc standard quality

Advanced Thaumaturgy

This is the additional quality effect granted while the Gemling Legionnaire passive is allocated. The main value below is shown at 20% gem quality. Compare all gem bonuses.

Compatible support gems

209 source records
Show 185 more compatible gems
Eternal Flame IICompatible supportEternal Flame IIICompatible supportExploit WeaknessCompatible supportStun ICompatible supportStun IICompatible supportStun IIICompatible supportRageforged ICompatible supportRageforged IICompatible supportFire ExposureCompatible supportDeep Cuts ICompatible supportDeep Cuts IICompatible supportRuptureCompatible supportArmour Break ICompatible supportArmour Break IICompatible supportArmour Break IIICompatible supportHeftCompatible supportFlamepierceCompatible supportRusted SpikesCompatible supportConcoct ICompatible supportConcoct IICompatible supportDauntlessCompatible supportEnduring Impact ICompatible supportEnduring Impact IICompatible supportXoph's PyreCompatible supportUul-Netol's EmbraceCompatible supportUhtred's ExodusCompatible supportUhtred's OmenCompatible supportUhtred's AuguryCompatible supportMultishot ICompatible supportMultishot IICompatible supportNova Projectiles ICompatible supportProjectile Acceleration ICompatible supportProjectile Acceleration IICompatible supportProjectile Acceleration IIICompatible supportLightning AttunementCompatible supportPierce ICompatible supportPierce IICompatible supportPierce IIICompatible supportBlind ICompatible supportBlind IICompatible supportLightning PenetrationCompatible supportChain ICompatible supportChain IICompatible supportChain IIICompatible supportForkCompatible supportProjectile Deceleration ICompatible supportProjectile Deceleration IICompatible supportShockCompatible supportPoison ICompatible supportPoison IICompatible supportPoison IIICompatible supportLasting ShockCompatible supportMomentumCompatible supportOverchargeCompatible supportNeural OverloadCompatible supportCorrosionCompatible supportBursting PlagueCompatible supportElectrocuteCompatible supportEonyr's ThunderCompatible supportLockdownCompatible supportMobilityCompatible supportPin ICompatible supportPin IICompatible supportPin IIICompatible supportBounty ICompatible supportBounty IICompatible supportMana BountyCompatible supportLife BountyCompatible supportLife DrainCompatible supportSoul DrainCompatible supportInnervateCompatible supportEscalating PoisonCompatible supportLightning ExposureCompatible supportDeadly Poison ICompatible supportDeadly Poison IICompatible supportSwift Affliction ICompatible supportSwift Affliction IICompatible supportSwift Affliction IIICompatible supportSlow PotencyCompatible supportRicochet ICompatible supportRicochet IICompatible supportRicochet IIICompatible supportFerocityCompatible supportStormchainCompatible supportMaladyCompatible supportRetreat ICompatible supportRetreat IICompatible supportRetreat IIICompatible supportCommiserateCompatible supportBlindsideCompatible supportDeliberationCompatible supportAdmixtureCompatible supportInhibitorCompatible supportDominus' GraspCompatible supportTul's StillnessCompatible supportRakiata's FlowCompatible supportTacati's IreCompatible supportArakaali's LustCompatible supportNova Projectiles IICompatible supportCold AttunementCompatible supportSupercriticalCompatible supportOisín's OathCompatible supportChaos AttunementCompatible supportRapid Casting ICompatible supportRapid Casting IICompatible supportRapid Casting IIICompatible supportCold PenetrationCompatible supportVilenta's PropulsionCompatible supportIce Bite ICompatible supportIce Bite IICompatible supportFreezeCompatible supportControlled DestructionCompatible supportElemental FocusCompatible supportWildfireCompatible supportArcane SurgeCompatible supportWithering TouchCompatible supportUnleashCompatible supportZarokh's RevoltCompatible supportInexorable Critical ICompatible supportInexorable Critical IICompatible supportFrost NexusCompatible supportShock SiphonCompatible supportShock ConductionCompatible supportShock Conduction IICompatible supportDeep FreezeCompatible supportPinpoint CriticalCompatible supportFrostfireCompatible supportStormfireCompatible supportBiting Frost ICompatible supportBiting Frost IICompatible supportElemental DischargeCompatible supportHourglassCompatible supportFiery DeathCompatible supportMana FlareCompatible supportAmbushCompatible supportMinion Pact ICompatible supportMinion Pact IICompatible supportCold ExposureCompatible supportLightning MasteryCompatible supportPotent ExposureCompatible supportConsidered CastingCompatible supportWildshards ICompatible supportWildshards IICompatible supportSione's TemperCompatible supportRising TempestCompatible supportExtractionCompatible supportExciseCompatible supportExecrateCompatible supportZenith ICompatible supportZenith IICompatible supportBone ShrapnelCompatible supportDerangeCompatible supportProfanity ICompatible supportProfanity IICompatible supportFreezeforkCompatible supportVerglasCompatible supportEmbitterCompatible supportAmbrosiaCompatible supportAmbrosia IICompatible supportVolatilityCompatible supportCatharsisCompatible supportGambleshotCompatible supportStatic ShocksCompatible supportLiving LightningCompatible supportLiving Lightning IICompatible supportElectromagnetismCompatible supportEsh's RadianceCompatible supportVarashta's BlessingCompatible supportArbiter's IgnitionCompatible supportThrill of the KillCompatible supportThrill of the Kill IICompatible supportCoursing CurrentCompatible supportBrittle ArmourCompatible supportPractical Magic ICompatible supportPractical Magic IICompatible supportBlazing CriticalCompatible supportConcussive SpellsCompatible supportPrototype SeventeenCompatible supportTrickster's ShardCompatible supportEsh's ProwessCompatible supportBreachlord's AmalgamCompatible supportMórrigan's InsightCompatible supportRunic ExtractionCompatible supportScouring FlameCompatible supportFrozen VortexCompatible support
Compatibility rules

Active Type: Spell, Projectile, Damage, Trappable, Totemable, Mineable, Chains, Multicastable, Triggerable, Lightning, Unleashable, Invokable, UsableWhileMoving

Elemental Infusions

This gem has a direct interaction with the Elemental Infusion mechanic.

1 interaction
ConsumesLightning

Consumes: 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.

Open Elemental Infusion rules and connected skills

Acquisition

1 sources
  • Uncut Skill Gem: Uncut Skill Gem Tier 5

How to engrave this skill

1 category
Elemental, tier 5

This skill becomes available when engraving an Uncut Skill Gem of level 5 or higher. The resulting skill uses the selected Uncut Skill Gem's level.

Open Elemental

Vaal Orb outcomes

4 outcomes / 0 enchantments

Vaal Orb can corrupt Arc. One applicable outcome is selected, and the item normally cannot be modified again by ordinary crafting.

01
No change.
02
Permanently add or subtract one gem level. This is retained when upgrading the gem level using an uncut gem. Max level gems can exceed their normal maximum this way, but cannot go below Level 1.
03
Add or remove a socket.
04
±10% to Quality, up to 23%.
View every corruption outcome and enchantment