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Vaal Storm CallVaal, Spell, AoE, Duration, Lightning
Level: (1-20)
Souls Per Use: 30
Can Store 1 Use(s)
Cast Time: 0.50 sec
Critical Strike Chance: 6.00%
Requires Level 12Sets a marker at a location. Lightning strikes random enemies around the marker repeatedly over the skill's duration, dealing damage in an area around the strike. Modifiers to the skill's duration will also affect the delay between these strikes. When the duration ends, a large bolt of lightning strikes the marker, dealing damage around it.Per 1% Quality:1Superior0.5% increased Area of EffectDeals (14-370) to (26-687) Lightning Damage
Base duration is 6 seconds
(10-29)% increased Effect of Lightning Ailments
Strikes an Enemy every 0.25 seconds
Modifiers to Skill Effect Duration also apply to this Skill's Soul Gain Prevention
Corrupted
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Vaal Storm Call skill icon.pngVaal Storm Call inventory icon.png
Acquisition
Area level: 12
Vendor Offer
1x Scroll Fragment
Metadata
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemVaalStormCall

Vaal Storm Call skill screenshot.jpg

For the non-Vaal counterpart, see Storm Call.

Vaal Storm Call is a Vaal spell that sets a marker at a location. While the marker remains, lightning strikes random enemies near it, dealing damage to them. After a short duration, a large bolt of lightning strikes the marker, dealing damage around it. When this happens, it will also set off the lightning at any other markers from this skill.

Skill functions and interactions

Unlike the Storm Herald Nemesis Affix found on monsters, the lightning strikes made by Vaal Storm Call will always hit a random target and never miss.

It is speculated that the lightning strikes follow the same rules as the ones from Herald of ThunderHerald of ThunderSpell, AoE, Duration, Lightning, Herald
Level: (1-20)
Reservation: 25% Mana
Cooldown Time: 1.00 sec
Can Store 1 Use(s)
Cast Time: Instant
Radius: 32
Requires Level 16Grants a buff which adds lightning damage to spells and attacks. If you kill a shocked enemy, this skill will create a storm, causing lightning bolts to strike enemies around you for a duration. The damage inflicted by this skill is not affected by modifiers to spell damage.Per 1% Quality:1Superior2Anomalous3DivergentBuff grants 0.75% increased Lightning Damage1% increased Skill Effect DurationBuff grants 1.5% increased Damage
Buff grants 0.5% increased Damage taken
Buff grants (2-19) to (7-76) Added Spell Lightning Damage
Buff grants (2-19) to (7-76) Added Attack Lightning Damage
Deals (1-23) to (31-1108) Lightning Damage
Base duration is 6 seconds
Storm Hits an Enemy every 0.25 Seconds
Cannot inflict Shock
Creates a storm when you Kill a Shocked Enemy
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Herald of Thunder skill icon.png
's on-kill effect, meaning each subsequent strike will prioritise targets that have been struck fewer times.[citation needed]

Skill Interactions

  • Area of Effect: Affects both the area in which periodic lightning strikes occur and the area of the final bolt.
  • Area of Effect damage: Affects the damage of both the periodic lightning strikes and the final bolt.
  • Critical Strike: Because Vaal Storm Call is only a single spell, its critical strike chance is only rolled once. If it crits, every lightning strike including the final bolt will be a critical strike. If it doesn't crit, none of them will be.[citation needed]
  • Cast Speed: Affects the speed of the initial Vaal Storm Call cast, but does not affect the skill's periodic lightning strikes.
  • Skill Effect Duration: Modifiers to the skill's duration will also affect the delay between the lightning strikes. Therefore, Less Duration Support increases Vaal Storm Call's DPS whilst also lowering the Soul Gain Prevention timer.
  • TrapTrap SupportSupport, Trap
    Icon: T
    Level: (1-20)
    Cost & Reservation Multiplier: 120%
    Requires Level 8Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a trap that will use the skill for you when an enemy walks near it. Traps cannot use channelling skills.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 0.5% increased Trap Throwing SpeedSupported Skills deal 0.5% increased DamageSupported Skills have 1% increased Trap Trigger Area of EffectTrap lasts 4 seconds
    Supported Attack Skills cannot be used with Melee Weapons
    Supported Skills have (0-19)% increased Trap Throwing Speed
    Supported Skills deal (0-38)% increased Trap Damage
    This 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 Active Skill Gem you wish to augment. Right click to remove from a socket.
    , Cluster TrapsCluster Traps SupportTrap, Support
    Icon: L
    Level: (1-20)
    Cost & Reservation Multiplier: 150%
    Requires Level 38Supports traps skills, making them throw extra traps randomly around the targeted location.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills deal 0.5% increased Trap DamageSupported Skills have 0.5% increased Trap Throwing SpeedSupported Skills have 2% reduced Trap SpreadSupported Skills throw up to 2 additional Traps
    Supported Skills can have up to 5 additional Traps placed at a time
    Supported Skills deal (55-36)% less Damage
    This 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 Active Skill Gem you wish to augment. Right click to remove from a socket.
    , and Multiple TrapsMultiple Traps SupportSupport, Trap
    Icon: t
    Level: (1-20)
    Cost & Reservation Multiplier: 150%
    Requires Level 8Supports traps skills, making them throw extra traps in a line.Per 1% Quality:1Superior2Anomalous3DivergentSupported Skills have 1% increased Trap Trigger Area of EffectSupported Skills can have up to 0.1 additional Traps placed at a timeSupported Skills have 0.2% chance to throw an additional TrapSupported Skills throw up to 2 additional Traps
    Supported Skills can have up to 3 additional Traps placed at a time
    Supported Skills deal (50-31)% less Damage
    This 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 Active Skill Gem you wish to augment. Right click to remove from a socket.
    : While Vaal Storm Call can be supported by them, only a single trap will be thrown out.

Gem level progression

LevelRequired LevelRequired IntelligenceLightning
Damage
Shock
Effect
Exp.Total Exp.
1123314 to 26N/A00
2153918 to 33N/A1524915249
3194824 to 44N/A4151756766
4235631 to 57N/A81983138749
5276440 to 74N/A147968286717
6317350 to 94N/A250557537274
7358163 to 118N/A405086942360
8388875 to 139N/A4477181390078
9419488 to 163N/A6153182005396
1044100103 to 192N/A8346392840035
1147106121 to 224N/A15707604410795
1250113141 to 261N/A16339876044782
1353119163 to 304N/A21510308195812
1456125190 to 352N/A281218911008001
1559132220 to 408N/A509936016107361
1662138254 to 471N/A940073125508092
1764142279 to 518N/A1527336640781458
1866146307 to 570N/A2628658267068040
1968151337 to 626N/A62890590129958630
2070155370 to 687N/A212046017342004647
2172159406 to 753N/AN/AN/A
2274N/A445 to 826N/AN/AN/A
2376N/A487 to 905N/AN/AN/A
2478N/A534 to 991N/AN/AN/A
2580N/A584 to 1085N/AN/AN/A
2682N/A639 to 1187N/AN/AN/A
2784N/A699 to 1298N/AN/AN/A
2886N/A764 to 1419N/AN/AN/A
2988N/A835 to 1550N/AN/AN/A
3090N/A911 to 1693N/AN/AN/A
3191N/A952 to 1769N/AN/AN/A
3292N/A995 to 1848N/AN/AN/A
3393N/A1039 to 1930N/AN/AN/A
3494N/A1086 to 2016N/AN/AN/A
3595N/A1134 to 2106N/AN/AN/A
3696N/A1184 to 2200N/AN/AN/A
3797N/A1237 to 2297N/AN/AN/A
3898N/A1291 to 2398N/AN/AN/A
3999N/A1348 to 2504N/AN/AN/A
40100N/A1408 to 2614N/AN/AN/A

Item acquisition
Questionmark.png

Upgrade paths

This item can be acquired through the following upgrade paths or vendor recipes:

AmountIngredientGeneral
Notes
Type
9Volatile PowerVolatile Power9Superior Vaal Gem
Quality: +20%
Corrupted
Unlimited power is apt to corrupt the minds of those who possess it.
random corrupted superior Vaal gem with 20% qualityAutomatic
1Gemcutter's IncubatorGemcutter's IncubatorAdds an incubated Quality Gem item to an equippable item
Item drops after killing # monsters
Quality GemRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
random superior gemAutomatic
6The 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 gemAutomatic
13The CataclysmThe Cataclysm13Level 21 Spell Gem
Corrupted
The mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.
random corrupted level 21 Spell gemAutomatic
3Gemcutter's PromiseGemcutter's Promise3Superior Gem
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 superior gem with 20% qualityAutomatic
1The VoidThe Void1Reach into the Void and claim your prize.random divination card set exchangeAutomatic

Video demonstration

Alternate skill effects

Vaal Storm Call has the following alternate skill effects:

ItemEffect(s)
Arcane Storm Call EffectArcane Storm Call EffectSkill Gem EffectYour Storm Call becomes an arcane effect.Your Storm Call becomes an arcane effect.
Demonic Storm Call EffectDemonic Storm Call EffectSkill Gem EffectYour Storm Call becomes a demonic effect.Your Storm Call becomes a demonic effect.
Divine Storm Call EffectDivine Storm Call EffectSkill Gem EffectYour Storm Call becomes a divine effect.Your Storm Call becomes a divine effect.
Harbinger Storm Call EffectHarbinger Storm Call EffectSkill Gem EffectYour Storm Call becomes a blue harbinger effect.Your Storm Call becomes a blue harbinger effect.
Tribal Storm Call EffectTribal Storm Call EffectSkill Gem EffectYour Storm Call becomes charged orange lightning around a tribal fetish.Your Storm Call becomes charged orange lightning around a tribal fetish.

Version history

Version Changes
3.14.0
  • Now deals 21 to 38 Lightning Damage at gem level 1 (previously 14 to 26), and 510 to 947 Lightning Damage at gem level 20 (previously 370 to 687).
  • Now has added damage effectiveness of 130% (previously 100%).
  • Now has a Soul Gain Prevention duration of 7 seconds (previously 9).
3.3.0
  • No longer triggers other Vaal Storm Calls at the end of its duration.
  • The period of time between strikes now scales alongside the skill's duration. Reducing Vaal Storm Call's duration will now also shorten the delay between lightning strikes.
  • Lightning strikes now deal damage in an area, not just to the struck enemy.
  • Area of effect of the primary strike (the final one) increased by approximately 33%.
2.0.0
  • Damage increased by 20%.
  • The Radius on the explosion has been increased to match the new value on Storm Call.
  • The base Soul Requirements have been increased to 16.
  • Critical Strike Chance increased from 5% to 6%.
1.1.2
  • Vaal Storm Call has been added to the game.