Vaal Arc

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ArcArc of SurgingArc of OscillatingVaal Arc
Vaal 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) Times
CorruptedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Acquisition
Drop restricted
Drop level: 12
Vaal Arc can drop from the Vaal Vessels found in Vaal side areas.
Vendor Offer
1x Scroll Fragment
Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemVaalArc

Vaal Arc is a vaal spell that launches a chaining lightning arc at the target that lasts until no valid target remains or all chains are used up.

Skill Functions and Interactions

Although Vaal Arc chains, it is similar to Arc in that it's not a projectile and therefore does not benefit from projectile-specific modifiers on gear, passives and skill gems.

The lucky buff from Vaal Arc only affects Arc's hit damage and not ailments.[1][2]

Gem level progression

LevelRequired LevelRequired IntelligenceLightning
Damage
# ChainsExp.Total Exp.
1123338 to 64500
2153948 to 8051524915249
3194864 to 10654151756766
4235683 to 138581983138749
52764105 to 1766147968286717
63173133 to 2226250557537274
73581166 to 2776405086942360
83888196 to 32664477181390078
94194229 to 38276153182005396
1044100268 to 44678346392840035
1147106312 to 519715707604410795
1250113362 to 603716339876044782
1353119419 to 698821510308195812
1456125483 to 8068281218911008001
1559132557 to 9298509936016107361
1662138641 to 10688940073125508092
1764142703 to 117291527336640781458
1866146770 to 128492628658267068040
1968151844 to 1406962890590129958630
2070155924 to 15399212046017342004647
21721591010 to 168410N/AN/A
2274N/A1104 to 184110N/AN/A
2376N/A1207 to 201110N/AN/A
2478N/A1318 to 219610N/AN/A
2580N/A1438 to 239711N/AN/A
2682N/A1569 to 261411N/AN/A
2784N/A1710 to 285111N/AN/A
2886N/A1864 to 310711N/AN/A
2988N/A2031 to 338412N/AN/A
3090N/A2211 to 368512N/AN/A
3191N/A2307 to 384512N/AN/A
3292N/A2407 to 401112N/AN/A
3393N/A2511 to 418412N/AN/A
3494N/A2619 to 436512N/AN/A
3595N/A2731 to 455212N/AN/A
3696N/A2848 to 474713N/AN/A
3797N/A2970 to 495013N/AN/A
3898N/A3097 to 516113N/AN/A
3999N/A3229 to 538113N/AN/A
40100N/A3366 to 561013N/AN/A

Gem quality

TypeAdditional Effects per 1-20% QualityWeight
SuperiorChains +(0.05-1) Times1

Item acquisition

Vaal Arc has restrictions on where or how it can drop. Vaal Arc can drop from the Vaal Vessels found in Vaal side areas.

Recipes

Vaal Arc can be created from the following recipes:

AmountPartDescriptionMeta
9Volatile PowerVolatile Power9Vaal Gem
Quality: +20%
Corrupted
Unlimited power is apt to corrupt the minds of those who possess it.
Random corrupted Vaal gem with 20% qualityA
1The VoidThe Void1Reach into the Void and claim your prize.Random divination card set exchangeA

Video demonstration

Alternate skill effects

Vaal Arc has the following alternate skill effects:

ItemEffect(s)
Automaton Arc EffectAutomaton Arc EffectSkill Gem EffectYour Arc becomes an Automaton Effect.Your Arc becomes an Automaton Effect.
Celestial Arc EffectCelestial Arc EffectSkill Gem EffectYour Arc becomes a Celestial Effect.Your Arc becomes a Celestial Effect.
Purple ArcPurple ArcSkill Gem EffectYour Arc becomes a Purple Effect.Your Arc becomes a Purple Effect.
Radiant Arc EffectRadiant Arc EffectSkill Gem EffectYour Arc becomes a Radiant Effect.Your Arc becomes a Radiant Effect.

Version history

Version Changes
3.23.0
  • Now has a base Critical Strike Chance of 6% (previously 5%).
  • It now has 15% more Damage with Hits and Ailments for each remaining Chain at all gem levels (previously more Damage for each remaining Chain).
  • Quality now causes the skill to Chain +0-1 Times, instead of providing 0-30% increased Duration of Lightning Ailments.
3.14.0
  • No longer causes Modifiers to Buff Duration to also apply to this Skill's Soul Gain Prevention.
  • Now has a Cast Time of 0.7 seconds (previously 0.8).
  • Now has a Soul Gain Prevention duration of 2 seconds (previously 6).
  • Vaal Skill Gems can now only be obtained from a set of specific methods such as Corrupting Gems, Vaal Side Areas, Divination Cards (that specifically grant Vaal Skill Gems) and the Lapidary Lens in the Temple of Atzoatl.
3.3.0
  • Previously chained +40 times.
  • Now deals 38-64 lightning damage at gem level 1 (up from 2-35), up to 924-1539 lightning damage at gem level 20 (up from 49-939)
  • Now requires 25 souls per use (down from 32).
  • Now deals 15% more damage for each remaining chain.
  • Now increases shock duration by 100%.
  • Now increases the effect of shock by 100%.
  • Now chains 5 times, but each chain can split to another enemy (from which it can also chain). This number grows as it levels.
  • Now causes your Arc damage to be lucky for 4 seconds.
  • Now has an added damage effectiveness of 180% (up from 80%).
  • Now prevents you from gaining Vaal souls for 4 seconds after use.
2.0.0
  • Now has 100% chance to Shock (up from 10%). Now gains 1.5% increased Shock Duration per Quality.
1.1.2
  • 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) Times
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    and Vaal Arc 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.
1.1.0d
  • Vaal Skill soul counts were initially balanced for Merciless difficulty, where there are more monsters. We want them to be easier to use in Normal and Cruel difficulty. We have halved the number of souls required for each skill. In Cruel difficulty, skills require 50% more souls to uses. In Merciless difficulty, they require 100% more (which is the same as before the patch).
1.1.0
  • Introduced to the game.

ru:Цепь молний ваал