PoE Spark Build, Spark Support Gems

Spark is a lightning spell that launches unpredictable sparks that move randomly until they hit an enemy. Launches unpredictable sparks that move randomly until they hit an enemy or expire. Spell, Projectile, Duration, Lightning. Level: 1–20. Cost: 5–21 Mana. Cast Time: 0.65 sec. Critical Strike Chance: 6.00%. Effectiveness of Added Damage: 190%. Projectile Speed: 560. Requires Level 1. Deals (1–104) to (28–1983) Lightning Damage Base duration is 2 seconds Fires (4–7) 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. Name Additional Effects From Quality Weight Spark (0–20)% increased Projectile Speed 50

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Related Gems

Level Effect

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.

Immunity to Spark

Spark projectiles travel on the ground and as such all flying enemies are immune to spark. Currently, flying monsters (which not only appear to be flying, such as Ribbons, are:

• Raging Spirits
• Animate Weapons (Note that this includes The Steel Soul, the boss of the Arsenal Map.)

It is therefore advised you have a secondary skill that can hit these monsters.

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%

Item acquisition

Spark can drop anywhere. Drop level: 5.

Recipes

Spark can be created from the following recipes:

Amount	Part	Description
13	The Cataclysm	Random corrupted level 21 Spell gem
6	The Fox	Random level 20 gem
8	Dying Anguish	Random level 19 gem with 19% alternative quality
8	The Hook	Random corrupted level 21 gem with 23% alternative quality
3	Gemcutter's Promise	Random gem with 20% quality
1	Gemcutter's Incubator	Random gem with 1–20% quality
1	The Void	Random divination card set exchange

Vendor reward

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

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
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:

Item	Limit	Radius	Stats
Hazardous Research	1	Medium	(10-15)% increased Lightning Damage With at least 40 Intelligence in Radius, Spark fires Projectiles in a circle

Related helmet enchantments

The following helmet enchantments affect Spark.

Name	Level	Labyrinth	Stats	Spawn Weighting
Enchantment Spark Damage 1	66	Merciless Labyrinth	25% increased Spark Damage	helmet 100 default 0
Enchantment Spark Damage 2	75	Eternal Labyrinth	40% increased Spark Damage	helmet 100 default 0
Enchantment Spark Num Of Additional Projectiles 1	66	Merciless Labyrinth	Spark fires 2 additional Projectiles	helmet 100 default 0
Enchantment Spark Num Of Additional Projectiles 2	75	Eternal Labyrinth	Spark fires 3 additional Projectiles	helmet 100 default 0
Enchantment Spark Projectile Speed 1	66	Merciless Labyrinth	20% increased Spark Projectile Speed	helmet 100 default 0
Enchantment Spark Projectile Speed 2	75	Eternal Labyrinth	30% increased Spark Projectile Speed	helmet 100 default 0

Alternate skill effects

Spark has the following alternate skill effects:

Item	Effect(s)
Automaton Spark Effect	Your Spark becomes an Automaton Effect.
Celestial Spark Effect	Your Spark becomes a Celestial Effect.
Spark Spiders Effect	Your Sparks become skittering spiders of raw electrical energy
Void Spark Effect	Your Spark becomes a Void Effect.