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Vaal Storm Call

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Vaal Storm CallVaal, Spell, AoE, Duration, Lightning
Souls Per Use: 30 (N) /
Can Store 1 Use(s)
Soul Gain Prevention: 9.000 sec
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:
0.5% increased Area of Effect
Deals (14-370) to (26-687) Lightning Damage
Base duration is 6 seconds
(10-29)% increased Effect of Shock
Strikes an Enemy every 0.25 seconds
Modifiers to Skill Effect Duration also apply to this Skill's Soul Gain Prevention
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
Level: 12
Sell Price
1x Scroll Fragment
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemVaalStormCall

Vaal Storm Call skill screenshot.jpg

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

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
Radius: 32
Mana Reserved: 25%
Can Store 1 Use(s)
Cooldown Time: 1.00 sec
Effectiveness of Added Damage: 120%
Requires Level 16Channel lightning through your hands, adding lightning damage to spells and attacks. If you kill a shocked enemy, lightning bolts will strike enemies around you for a short duration. The lightning bolt damage inflicted by this skill is not affected by modifiers to spell damage.Per 1% Quality:
0.75% increased Lightning Damage
Adds (2-19) to (7-76) Lightning Damage to Spells
Adds (2-19) to (7-76) Lightning Damage to Attacks
Deals (1-27) to (34-1303) Lightning Damage
Base duration is 6 seconds
Cannot inflict Shock
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 they will strike a target every amount of time but will not strike the same target again until a higher amount of time passes.[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.
  • Added Damage: It is assumed that the lightning strikes deal the same damage as the final bolt[citation needed] as shown in the tooltip, except that they don't receive bonuses from AoE-modifiers. If this is true, the spell benefits exceedingly well from added damage, as it has an 80% damage effectiveness and strikes very often.
  • Trap and Multiple traps, Cluster traps: While Vaal Storm Call can be supported by them, only a single trap will be thrown out.

Gem level progression

Exp.Total Exp.
1123314 to 2600
2153918 to 3315,24915,249
3194824 to 4441,51756,766
4235631 to 5781,983138,749
5276440 to 74147,968286,717
6317350 to 94250,557537,274
7358163 to 118405,086942,360
8388875 to 139447,7181,390,078
9419488 to 163615,3182,005,396
1044100103 to 192834,6392,840,035
1147106121 to 2241,570,7604,410,795
1250113141 to 2611,633,9876,044,782
1353119163 to 3042,151,0308,195,812
1456125190 to 3522,812,18911,008,001
1559132220 to 4085,099,36016,107,361
1662138254 to 4719,400,73125,508,092
1764142279 to 51815,273,36640,781,458
1866146307 to 57026,286,58267,068,040
1968151337 to 62662,890,590129,958,630
2070155370 to 687212,046,017342,004,647
2172159406 to 753N/AN/A
2274N/A445 to 826N/AN/A
2376N/A487 to 905N/AN/A
2478N/A534 to 991N/AN/A
2580N/A584 to 1085N/AN/A
2682N/A639 to 1187N/AN/A
2784N/A699 to 1298N/AN/A
2886N/A764 to 1419N/AN/A
2988N/A835 to 1550N/AN/A
3090N/A911 to 1693N/AN/A
3191N/A952 to 1769N/AN/A
3292N/A995 to 1848N/AN/A
3393N/A1039 to 1930N/AN/A
3494N/A1086 to 2016N/AN/A
3595N/A1134 to 2106N/AN/A
3696N/A1184 to 2200N/AN/A
3797N/A1237 to 2297N/AN/A
3898N/A1291 to 2398N/AN/A
3999N/A1348 to 2504N/AN/A
40100N/A1408 to 2614N/AN/A

Item acquisition

Upgrade paths

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

9Volatile PowerVolatile Power9Superior Vaal Gem
Quality: +20%
Unlimited power is apt to corrupt the minds of those who possess it.
random corrupted superior Vaal gem (Q20)Automatic
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
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 (Q20)Automatic

Video Demonstration

Version history

Version Changes
  • 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%.
  • Vaal Storm Call has been added to the game.