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Spark

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SparkProjectile, Spell, Duration, Lightning
Mana Cost: (5 to 23)
Cast Time: 0.65 sec
Critical Strike Chance: 6.00%
Damage Effectiveness: 70%
Projectile Speed: 560
Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
1% increased Projectile Speed
Deals (1-44) to (20-832) Lightning Damage
Base duration is 1.5 seconds
(4-6) additional Projectiles
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Spark skill icon.pngSpark inventory icon.png
Acquisition
Level: 5
Purchase Costs
Normal1x Scroll of Wisdom
Sell Price
1x Scroll Fragment

Spark skill screenshot.jpg

Lightning is a fickle servant. However, skilled casters have learned to harness this frenetic element to devastating effect. With a single incantation, three pulsing strands of electric energy appear, and begin to move erratically around the battlefield. Whenever one contacts an enemy, it discharges, dealing tremendous damage and frequently causing paralysis.

Description on the official Path of Exile website [1]

Spark is a lightning spell that launches unpredictable sparks that move randomly until they hit an enemy.

Skill Functions and Interactions

  • Duration: Spark duration determines how long spark projectiles will persist, and is increased by both skill duration passives and support.
  • Ricochets: Spark projectiles will bounce off of terrain obstructions and edges for as long as they persist. If a spark projectile strikes a mob, it will be absorbed unless it has a chance to pierce.
  • A single cast of Spark can hit an enemy once every second (after patch 2.3). Keep in mind this is per cast, not per projectile. So without any increase in duration, a single cast can hit an enemy twice with the base duration of 1.5 seconds. That is why projectile speed and increased duration can result in significant increases in real DPS.
  • When an enemy is hit with a Spark projectile, projectiles from the same cast will go through that enemy without damaging it, as if it wasn't there (until the enemy can be hit again with the same cast which happens after 1 second).
  • There is no guaranteed distance or time the projectiles will go straight, but they are guaranteed to go forward if there are no obstacles.
  • After patch 2.3 Spark projectiles now destroy themselves after travelling 150 units from the character. It should be noted that it's entirely possible for infinite-duration sparks to bounce/circle around within that radius, and never leave it. In general, sparks will be more likely to stay within the radius in an enclosed space with walls to bounce off, and more likely to leave it in open areas.[2]

Spark Duration and Cast Speed

Given the current cast speed of 0.65 seconds, and the lifetime of the Spark is 1.5 seconds, you can get about 6 sparks into play before the initial sparks expire. 1.5 seconds / 0.65 seconds = 2.3 casts or 6 sparks.

To figure out the required cast speed to get more sparks into play, divide 1.5 by the number of casts.

3 casts ( 9 sparks ): 1.5 / 3 = 0.5 seconds per cast.
4 casts ( 12 sparks ): 1.5 / 4 = 0.375 seconds per cast.

Note, you may have to decrease these cast times, as this the minimum time; the initial sparks will expire just as the new ones are leaving your position.

To calculate the new desired increase in casting speed, consider that if you increase your speed by 100%, you'll cut the time in half.

NewCastSpeed = OldCastSpeed / ( 1 + IncreasedSpeed )
IncreasedSpeed = OldCastSpeed / NewCastSpeed - 1

As an example, if we wanted to get to 0.5 seconds, this is an % increase of (0.65/.5 - 1)*100% = 30%

Gem level progression

LevelLvl.intelligenceMana
Cost
Lightning
Damage
# ProjectilesExp.Total Exp.
11051 to 20400
22061 to 2247070
341671 to 274308378
472282 to 3641,5541,932
5113193 to 4946,6678,599
61641104 to 69426,04734,646
72050115 to 88449,72584,371
82458126 to 110495,714180,085
92867147 to 1365169,595349,680
103275169 to 1675283,759633,439
1136831711 to 2025453,9961,087,435
1240921813 to 2435703,1281,790,563
13441001915 to 29151,061,2232,851,786
14481092018 to 34552,065,8704,917,656
15521172122 to 40952,507,1107,424,766
16561252225 to 48155,798,93613,223,702
17601342230 to 565615,083,91928,307,621
18641422235 to 661627,792,73556,100,356
19671482239 to 742643,869,73999,970,095
20701552344 to 8326242,081,556342,051,651
21721592347 to 8976N/AN/A
2274N/A2451 to 9676N/AN/A
2376N/A2455 to 10416N/AN/A
2478N/A2559 to 11206N/AN/A
2580N/A2563 to 12057N/AN/A
2682N/A2668 to 12967N/AN/A
2784N/A2673 to 13937N/AN/A
2886N/A2679 to 14967N/AN/A
2988N/A2685 to 16077N/AN/A
3090N/A2791 to 17257N/AN/A

Quest reward

This skill is not given as quest reward.

Vendor reward

This skill can be bought at the listed npc vendors after completing the following quests:
ClassMarauderTemplarWitchShadowRangerDuelistScion
Quest
Enemy at the Gate
Act 1
Nessa
no
yes
yes
yes
no
no
yes
A Fixture of Fate
Act 3
Siosa
yes
Fallen from Grace
Act 6
Lilly Roth
yes

Threshold Jewel

The following threshold jewels augment the skill gem:

ItemRadiusStats
Hazardous Research
Hazardous Research
Cobalt Jewel
Limited to: 2
Radius: Medium (1200)
(10-15)% increased Lightning Damage
With at least 40 Intelligence in Radius, Spark fires Projectiles in a Nova
With at least 40 Intelligence in Radius, Spark fires 2 additional Projectiles
(20-15)% reduced Spark Duration
Of the elements at the thaumaturgist's disposal, lightning remained the least understood.
The simple passage of energy from one to another could result in profound power, or rapid death.
Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
Medium (1200)(10-15)% increased Lightning Damage
With at least 40 Intelligence in Radius, Spark fires Projectiles in a Nova
With at least 40 Intelligence in Radius, Spark fires 2 additional Projectiles
(20-15)% reduced Spark Duration

Alternate skill effects

Name Cost Description
Spark Spiders Effect
Spark Spiders EffectSpark Skin
Stack Size: 20
Your Sparks become skittering spiders of raw electrical energyRight click this item then left click a Spark Skill Gem to apply it.
Shop Item Coin.png95 Replaces the standard lightning effects on a SparkSparkProjectile, Spell, Duration, Lightning
Mana Cost: (5 to 23)
Cast Time: 0.65 sec
Critical Strike Chance: 6.00%
Damage Effectiveness: 70%
Projectile Speed: 560
Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
1% increased Projectile Speed
Deals (1-44) to (20-832) Lightning Damage
Base duration is 1.5 seconds
(4-6) additional Projectiles
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Spark skill icon.png
gem with skittering, electrical spiders.

Shop Item Video Icon.png Preview

Related helmet enchantments

The following helmet enchantments affect Spark:

Name For generated item/monster modifiers the minimum item/monster level respectively. Some generation types may not require this condition to be met, however item level restrictions may be raised to 80% of this value. Effect(s)
EnchantmentSparkDamage16625% increased Spark Damage
EnchantmentSparkDamage27540% increased Spark Damage
EnchantmentSparkNumOfAdditionalProjectiles1662 additional Spark Projectiles
EnchantmentSparkNumOfAdditionalProjectiles2753 additional Spark Projectiles
EnchantmentSparkProjectileSpeed16620% increased Spark Projectile Speed
EnchantmentSparkProjectileSpeed27530% increased Spark Projectile Speed

Version history

Version Changes
2.3.0
  • SparkSparkProjectile, Spell, Duration, Lightning
    Mana Cost: (5 to 23)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Damage Effectiveness: 70%
    Projectile Speed: 560
    Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
    1% increased Projectile Speed
    Deals (1-44) to (20-832) Lightning Damage
    Base duration is 1.5 seconds
    (4-6) additional Projectiles
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Spark skill icon.png
    and Vaal SparkVaal SparkProjectile, Vaal, Spell, Duration, Lightning
    Souls per use: 48 (N) / 72 (C) / 96 (M)
    Can store 1 use(s)
    Cast Time: 0.65 sec
    Critical Strike Chance: 5.00%
    Damage Effectiveness: 40%
    Continuously launches unpredictable sparks in all directions that move randomly until they hit an enemy or expire.Per 1% Quality:
    1% increased Projectile Speed
    Deals (1-24) to (11-454) Lightning Damage
    Base duration is 2 seconds
    Fires Projectiles at all nearby Enemies
    Corrupted
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Vaal Spark skill icon.png
    projectiles (including those from monster Sparks) are now 20% slower. Quality on Spark and Vaal Spark is now worth 1% projectile speed per point of quality (rather than 2%). The time that Sparks must travel before they re-arm has been increased from 500ms to 1000ms. Spark projectiles now destroy themselves after travelling 150 units, which is in-line with other projectiles.
2.2.2
  • Lowered Spark's damage in PvP by 1% per gem level up to level 10, then 2% per gem level (damage reduced by 10% at level 10, and by 30% at level 20). Spark's tendency to completely coat the battlefield in unavoidable damage was making PvP matches extremely unfun, especially at high levels. While this doesn't solve the core issue of spark's unavoidable damage, it should give players a chance to close the gap.
2.1.0
  • Damage has been increased in damage by 10%, and starts at 4 projectiles, increasing by an additional one at levels 9, 17 and 25.
2.0.0
  • Damage increased by 76%.
  • Now grants 2% increased projectile speed per 1% quality (was 3% per 1% quality).
  • Critical Strike Chance has been increased from 5% to 6%.
1.2.0
  • Spark does 20% more damage at all levels. It now bounces off Frost Walls, regardless of whether they are cast by players or monsters. The critical strike chance has been increased from 4% to 5% (this change was not listed in the official patch notes).
1.1.0
  • Increased the damage of the following skills at low levels: SparkSparkProjectile, Spell, Duration, Lightning
    Mana Cost: (5 to 23)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Damage Effectiveness: 70%
    Projectile Speed: 560
    Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
    1% increased Projectile Speed
    Deals (1-44) to (20-832) Lightning Damage
    Base duration is 1.5 seconds
    (4-6) additional Projectiles
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Spark skill icon.png
    , Cold SnapCold SnapSpell, AoE, Cold
    Radius: 16
    Mana Cost: (11 to 28)
    Can store 1 use(s)
    Cooldown Time: 4.00 sec
    Cast Time: 0.85 sec
    Critical Strike Chance: 5.00%
    Damage Effectiveness: 120%
    Requires Level 4Ice crystals protrude from the ground at target location. Monsters in this area take damage and become frozen. The cooldown can be bypassed by expending a Power Charge.Per 1% Quality:
    0.5% increased Area of Effect
    Deals (9-462) to (13-693) Cold Damage
    30% chance to Freeze enemies
    30% increased Freeze Duration on enemies
    110% increased Chill Duration on enemies
    (20-39)% increased Effect of Chill
    +(0-5) to radius
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Cold Snap skill icon.png
    , Ice SpearIce SpearProjectile, Spell, Cold
    Mana Cost: (9 to 27)
    Cast Time: 0.85 sec
    Critical Strike Chance: 7.00%
    Damage Effectiveness: 80%
    Projectile Speed: 1000
    Requires Level 12Launches a shard of ice that pierces close enemies, before exploding on a distant enemy with a much higher critical strike chance.Per 1% Quality:
    2% increased Projectile Speed
    Deals (17-548) to (26-822) Cold Damage
    (40-78)% increased Chill Duration on enemies
    Second form has 600% increased Critical Strike Chance
    (10-29)% increased Effect of Chill
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Ice Spear skill icon.png
    and to a lesser extent, Freezing PulseFreezing PulseProjectile, Spell, Cold
    Mana Cost: (4 to 18)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Damage Effectiveness: 125%
    Projectile Speed: 1800
    An icy projectile which has a chance to freeze enemies it passes through. The projectile fades quickly, reducing damage and freezing chance until it runs out of time and dissipates completely.Per 1% Quality:
    2% increased Projectile Speed
    Deals (7-689) to (11-1034) Cold Damage
    Projectiles Pierce all Targets
    (0-19)% increased Projectile Speed
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Freezing Pulse skill icon.png
    and Storm CallStorm CallSpell, AoE, Duration, Lightning
    Radius: 20
    Mana Cost: (6 to 19)
    Cast Time: 0.50 sec
    Critical Strike Chance: 6.00%
    Damage Effectiveness: 80%
    Requires Level 12Sets a marker at a location. After a short duration, lightning strikes the marker, dealing damage around it. When this happens, it will also set off the lightning at any other markers you've cast.Per 1% Quality:
    0.5% increased Area of Effect
    Deals (13-341) to (24-633) Lightning Damage
    Base duration is 1.5 seconds
    (10-29)% increased Effect of Shock
    +(0-6) to radius
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Storm Call skill icon.png
    .
1.0.0
  • Damage is increased at lower levels. Spark duration has been heavily reduced.
0.11.1
  • Spells with Damage Effectiveness no longer have their own damage affected by Damage Effectiveness.
    Damage values on these skills have been updated to reflect this.
0.11.0b
  • Fixed a bug where Projectile Speed bonuses did not apply to SparkSparkProjectile, Spell, Duration, Lightning
    Mana Cost: (5 to 23)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Damage Effectiveness: 70%
    Projectile Speed: 560
    Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
    1% increased Projectile Speed
    Deals (1-44) to (20-832) Lightning Damage
    Base duration is 1.5 seconds
    (4-6) additional Projectiles
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Spark skill icon.png
    when used with a Spell Totem SupportSpell Totem SupportSupport, Totem, Duration
    Icon: T
    Mana Multiplier: 200%
    Requires Level 8Supports spell skills that do not reserve mana. Instead of using that skill, you will summon a totem that uses the skill for you.Per 1% Quality:
    1% increased Totem Placement speed
    Summons a Totem which uses the Supported Skill
    Totem lasts 8 seconds
    Supported Skills deal (35-26)% less Damage
    Spells Cast by Totem have 30% less Cast Speed
    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.
    .
0.11.0
  • The base critical strike chance has been reduced from 6% to 4%.
0.10.0
  • Once a Spark has bounced, it'll only be able to pierce the same target again if it has been more than
    one second since the last time.
0.9.11i
  • Fixed the randomness when used with Traps.
0.9.7
  • Improved the effects.
  • Spark now fires three sparks by default.
0.9.6
  • Changed Spark to cast four sparks by default, but it is affected less by additional damage from support gems.
0.9.5g
0.9.4c
  • Set the default critical strike chance of Spark (5.5%),
0.9.3e
  • Reduced damage by 10%.
0.9.3
  • Spark now defaults to casting two sparks (with reduced damage). This makes it have less variance in outdoors areas.
0.9.1
  • Increased damage.
0.8.3
  • Added "Spark" skill

References

  1. "Intelligence skills". Official Path of Exile website.
  2. Mark_GGG (August 18, 2016). "Mechanical Questions Thread". Official Path of Exile Forums. Retrieved August 23, 2016.