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Spark

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SparkSpell, Projectile, Duration, Lightning
Mana Cost: (5-21)
Cast Time: 0.65 sec
Critical Strike Chance: 6.00%
Projectile Speed: 560
Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
1% increased Projectile Speed
Deals (1-63) to (20-1198) Lightning Damage
Base duration is 2 seconds
Fires (4-6) additional Projectiles
(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.
Spark skill icon.pngSpark inventory icon.png
Acquisition
Level: 5
Purchase Costs
Normal1x Scroll of Wisdom
Sell Price
1x Scroll Fragment
Miscellaneous
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemSpark

Spark skill screenshot.jpg

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 can pierce.
  • A single cast of Spark can hit an enemy once every 0.66 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 thrice with the base duration of 2 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 0.66 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.[1]

Spark Duration and Cast Speed

Given the current cast speed of 0.65 seconds, and the lifetime of the Spark is 2 seconds, you can get about 18 sparks into play before the initial sparks expire. 2 seconds / 0.65 seconds = 3.07 casts or 18 sparks.

To figure out the required cast speed to get more sparks into play, divide 2 by the number of casts.

4 casts ( 24 sparks ): 2 / 4 = 0.5 seconds per cast.
5 casts ( 30 sparks ): 2 / 5 = 0.4 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
# ProjectilesProjectile
Speed
Exp.Total Exp.
11051 to 204N/A00
22051 to 2341%7070
341661 to 2842%308378
472272 to 3843%1,5541,932
5113173 to 5344%6,6678,599
6164194 to 7645%26,04734,646
72050105 to 10046%49,72584,371
82458117 to 12747%95,714180,085
92867118 to 16158%169,595349,680
1032751211 to 20059%283,759633,439
1136831313 to 247510%453,9961,087,435
1240921416 to 303511%703,1281,790,563
13441001519 to 370512%1,061,2232,851,786
14481091624 to 448513%2,065,8704,917,656
15521171728 to 540514%2,507,1107,424,766
16561251834 to 648515%5,798,93613,223,702
17601341941 to 776616%15,083,91928,307,621
18641422049 to 925617%27,792,73556,100,356
19671482155 to 1053618%43,869,73999,970,095
20701552163 to 1198619%242,081,556342,051,651
21721592269 to 1304620%N/AN/A
2274N/A2275 to 1418621%N/AN/A
2376N/A2381 to 1542622%N/AN/A
2478N/A2388 to 1676623%N/AN/A
2580N/A2496 to 1820724%N/AN/A
2682N/A24104 to 1976725%N/AN/A
2784N/A25113 to 2144726%N/AN/A
2886N/A25122 to 2325727%N/AN/A
2988N/A26133 to 2521728%N/AN/A
3090N/A26144 to 2732729%N/AN/A
3191N/A26150 to 2843729%N/AN/A
3292N/A27156 to 2959730%N/AN/A
3393N/A27162 to 3080830%N/AN/A
3494N/A27169 to 3204831%N/AN/A
3595N/A27175 to 3334831%N/AN/A
3696N/A27183 to 3468832%N/AN/A
3797N/A28190 to 3608832%N/AN/A
3898N/A28198 to 3753833%N/AN/A
3999N/A28205 to 3903833%N/AN/A
40100N/A28214 to 4059834%N/AN/A

Item acquisition
Questionmark.png

Upgrade paths

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

AmountIngredientGeneral
Notes
Type
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 (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

Vendor reward

This item can be bought at the listed npc vendors after completing the following quests:

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
Enemy at the Gate
Act 1
Nessa
A Fixture of Fate
Act 3
Siosa
Fallen from Grace
Act 6
Lilly Roth

Threshold jewels

The following threshold jewels augment Spark:

ItemLimitRadiusStats
Hazardous ResearchHazardous 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.
2Medium (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

Related helmet enchantments

The following helmet enchantments affect Spark.

NameFor 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.StatsSpawn Weighting
Enchantment Spark Damage 16625% increased Spark Damagehelmet 100
default 0
Enchantment Spark Damage 27540% increased Spark Damagehelmet 100
default 0
Enchantment Spark Num Of Additional Projectiles 166Spark fires 2 additional Projectileshelmet 100
default 0
Enchantment Spark Num Of Additional Projectiles 275Spark fires 3 additional Projectileshelmet 100
default 0
Enchantment Spark Projectile Speed 16620% increased Spark Projectile Speedhelmet 100
default 0
Enchantment Spark Projectile Speed 27530% increased Spark Projectile Speedhelmet 100
default 0

Microtransactions

The list below shows microtransactions for Spark.

ItemEffect(s)
Spark Spiders EffectSpark Spiders EffectSpark Skin
Stack Size: 20
Your Sparks become skittering spiders of raw electrical energy
Your Sparks become skittering spiders of raw electrical energy

Version history

Version Changes
3.6.0
  • Mana Cost at gem level 20 is now 21 (was 23)
  • Now deals 1 to 20 Lightning damage at gem level 1 (unchanged) and 63 to 1198 Lightning damage at gem level 20 (from 52 to 997).
  • Now clears its hit list every 0.66 seconds (from 1 second). This means the same projectile can hit the same monster more frequently.
3.3.0
  • Now deals 1-20 lightning damage at gem level 1 (same as previously), up to 52-997 damage at gem level 20 (up from 44-832).
  • Now gains 1% increased projectile speed per gem level, up to 19% increased projectile speed at gem level 20.
  • Projectiles now have a base duration of 2 seconds (up from 1.5).
  • Now has an added damage effectiveness of 100% (up from 70%).
2.3.0
  • SparkSparkSpell, Projectile, Duration, Lightning
    Mana Cost: (5-21)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Projectile Speed: 560
    Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
    1% increased Projectile Speed
    Deals (1-63) to (20-1198) Lightning Damage
    Base duration is 2 seconds
    Fires (4-6) additional Projectiles
    (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.
    Spark skill icon.png
    and Vaal SparkVaal SparkVaal, Spell, Projectile, Duration, Lightning
    Souls Per Use: 30 (N) /
    Can Store 1 Use(s)
    Soul Gain Prevention: 6.000 sec
    Cast Time: 0.65 sec
    Critical Strike Chance: 5.00%
    Effectiveness of Added Damage: 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 0 Projectile in a random direction
    Modifiers to Skill Effect Duration also apply to this Skill's Soul Gain Prevention
    (0-19)% increased Projectile Speed
    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: SparkSparkSpell, Projectile, Duration, Lightning
    Mana Cost: (5-21)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Projectile Speed: 560
    Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
    1% increased Projectile Speed
    Deals (1-63) to (20-1198) Lightning Damage
    Base duration is 2 seconds
    Fires (4-6) additional Projectiles
    (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.
    Spark skill icon.png
    , Cold SnapCold SnapSpell, AoE, Cold, Duration
    Radius: 16
    Mana Cost: (11-28)
    Can Store 1 Use(s)
    Cooldown Time: 3.00 sec
    Cast Time: 0.85 sec
    Critical Strike Chance: 6.00%
    Effectiveness of Added Damage: 140%
    Requires Level 16Creates a sudden burst of cold in a targeted area, damaging enemies. This also creates an expanding area which is filled with chilled ground, and deals cold damage over time to enemies. Enemies that die while in the area have a chance to grant Frenzy Charges. The cooldown can be bypassed by expending a Frenzy Charge.Per 1% Quality:
    0.5% increased Area of Effect
    Deals (32-666) to (47-999) Cold Damage
    Base duration is 5 seconds
    Deals (26.3-1193.2) Base Cold Damage per second
    25% chance to gain a Frenzy Charge when an Enemy Dies while in this Skill's Area
    Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
    (0-19)% increased Effect of Chill
    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 SpearSpell, Projectile, Cold
    Mana Cost: (8-23)
    Cast Time: 0.70 sec
    Critical Strike Chance: 7.00%
    Effectiveness of Added Damage: 80%
    Projectile Speed: 1000
    Requires Level 12Launches shards of ice in rapid succession. After travelling a short distance they change to a second form, which moves much faster and pierces through enemies.Per 1% Quality:
    2% increased Projectile Speed
    Deals (22-383) to (33-575) Cold Damage
    Second form has 600% increased Critical Strike Chance
    Second form has 300% more Projectile Speed
    Second form has +(30-49)% to Critical Strike Multiplier
    Fires an additional Projectile
    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 PulseSpell, Projectile, Cold
    Mana Cost: (5-21)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Effectiveness of Added Damage: 150%
    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 dissipates.Per 1% Quality:
    2% increased Projectile Speed
    Deals (8-888) to (12-1332) 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: (6-16)
    Cast Time: 0.50 sec
    Critical Strike Chance: 6.00%
    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 (16-408) to (31-758) 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 SparkSparkSpell, Projectile, Duration, Lightning
    Mana Cost: (5-21)
    Cast Time: 0.65 sec
    Critical Strike Chance: 6.00%
    Projectile Speed: 560
    Launches unpredictable sparks that move randomly until they hit an enemy or expire.Per 1% Quality:
    1% increased Projectile Speed
    Deals (1-63) to (20-1198) Lightning Damage
    Base duration is 2 seconds
    Fires (4-6) additional Projectiles
    (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.
    Spark skill icon.png
    when used with a Spell Totem SupportSpell Totem SupportSupport, Spell, Totem
    Icon: T
    Mana Multiplier: 200%
    Requires Level 8Supports spell skills that are not triggered. Instead of casting that spell, you will summon a totem that casts the spell 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. Mark_GGG (August 18, 2016). "Mechanical Questions Thread". Official Path of Exile Forums. Retrieved August 23, 2016.