Spark

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

Launches unpredictable sparks that move randomly until they hit an enemy or expire.

Deals (1–104) to (28–1983) Lightning Damage
Base duration is 2 seconds
Fires (4–7) additional Projectiles
(0–19)% increased Projectile Speed

Additional Effects From Quality:
(0–20)% increased Projectile Speed

Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Unusual Gems /4

Type	Stats	Weight
Superior	(0–20)% increased Projectile Speed	50
Anomalous	Projectiles Pierce (0–2) additional Targets	100
Divergent	Fires (0–2) additional Projectiles	100
Phantasmal	(0–40)% of Lightning Damage Converted to Chaos Damage	100

Quest /1

Act	Quest Complete	NPC	Character
1	Enemy at the Gate	Nessa	Scion Shadow Templar Witch

Level Effect /40

Implicit
base is projectile [1] Base duration is 2 seconds

Level	Requires Level	Intelligence	Cost	Deals 1 to 28 Lightning Damage	Fires 4 additional Projectiles	#% increased Projectile Speed	Experience
1	1	10	5	1, 28	4		70
2	2	12	5	2, 32	4	1	308
3	4	16	6	2, 40	4	2	1,554
4	7	22	7	3, 54	4	3	6,667
5	11	31	7	4, 76	4	4	26,047
6	16	41	9	6, 110	4	5	49,725
7	20	50	10	8, 145	5	6	95,714
8	24	58	11	10, 188	5	7	169,595
9	28	67	11	13, 239	5	8	283,759
10	32	75	12	16, 301	5	9	453,996
11	36	83	13	20, 376	5	10	703,128
12	40	92	14	25, 466	5	11	1,061,223
13	44	100	15	30, 573	6	12	2,065,870
14	48	109	16	37, 702	6	13	2,507,110
15	52	117	17	45, 855	6	14	5,798,936
16	56	125	18	55, 1037	6	15	15,083,919
17	60	134	19	66, 1253	6	16	27,792,735
18	64	142	20	79, 1509	6	17	43,869,739
19	67	148	21	91, 1731	7	18	242,081,556
20	70	155	21	104, 1983	7	19
21	72		22	114, 2170	7	20
22	74		22	125, 2373	7	21
23	76		23	136, 2593	7	22
24	78		23	149, 2832	7	23
25	80		24	163, 3091	8	24
26	82		24	178, 3373	8	25
27	84		25	194, 3678	8	26
28	86		25	211, 4009	8	27
29	88		26	230, 4368	8	28
30	90		26	250, 4758	8	29
31	91		26	261, 4965	8	29
32	92		27	273, 5180	9	30
33	93		27	284, 5404	9	30
34	94		27	297, 5637	9	31
35	95		27	309, 5880	9	31
36	96		27	323, 6132	9	32
37	97		28	337, 6395	9	32
38	98		28	351, 6669	9	33
39	99		28	366, 6953	9	33
40	100		28	382, 7250	10	34

Reference	poe.ninja, Community Wiki
Acronym	Projectile
BaseType	Spark
Class	Active Skill Gems
Vaal	Vaal Spark
TargetTypes	Ground, Enemy
Type	Spell, Projectile, ProjectilesFromUser, Damage, Duration, Trappable, Totemable, Mineable, Multicastable, Triggerable, Lightning, CanRapidFire
Metadata	Metadata/Items/Gems/SkillGemSpark

Spark Monster /59 ⍟

Name	Modifiers	Spectre
Bearded Shaman	50% reduced Cast Speed	Y
Bearded Skycaller	50% reduced Cast Speed	Y
Malachai's Enlightened	Undead	Y
Sparking Mage	Undead Casts Spark	Y
Kuduku, the False God		Y
Rukuku, the Pagan God	monster dropped item quantity +% [4000] monster dropped item rarity +% [1000]	Y
Charging Totem	skill art variation [2] base projectile ground effect duration [3000] projectiles drop ground lightning [1]	Y
Poporo, the Highest Spire	+5 to maximum number of Summoned Totems totem art variation [1] damage vs tiki totems +% [300] monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Blackguard Mage	Blocks Spells You take 10% of Damage from Blocked Hits	Y
Compulsor Octavia Sparkfist	71% increased Totem Life totem art variation [2] +5 to maximum number of Summoned Totems kill traps mines and totems on death [1] Blocks Spells You take 10% of Damage from Blocked Hits	Y
Oriath's Virtue	totem art variation [2] +5 to maximum number of Summoned Totems 857% increased Totem Life cannot be taunted when taunted ms [0] unique boss curse effect on self +% final [-33] monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] kill traps mines and totems on death [1] Blocks Spells You take 10% of Damage from Blocked Hits cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Solaris Champion	Gain 100% of Physical Damage as Extra Fire Damage	Y
Blackguard Interrogator	Blocks Spells You take 10% of Damage from Blocked Hits is map boss underling monster [1]	Y
Undying Subject		Y
Trinian, Intellectus Prime		Y
The Arbiter of Knowledge	monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-33] cannot be taunted when taunted ms [0] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Thunderskull	monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-33] cannot be taunted when taunted ms [0] corpse cannot be destroyed [1] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Shock and Horror	Gain 25% of Physical Damage as Extra Lightning Damage monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-33] +5 to maximum number of Summoned Totems 857% increased Totem Life cannot be taunted when taunted ms [0] kill traps mines and totems on death [1] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
The Idol Beyond	monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] 300% increased Global Critical Strike Chance +65% to Global Critical Strike Multiplier unique boss curse effect on self +% final [-33] cannot be taunted when taunted ms [0] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Zorioc, the Storm	monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-33] cannot be taunted when taunted ms [0] monster penalty against minions damage +% final vs player minions [-20] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Blackguard Tempest	unique boss curse effect on self +% final [-33] cannot be taunted when taunted ms [0] monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] Blocks Spells You take 10% of Damage from Blocked Hits cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Tinevin Highdove	monster base type attack cast speed +% and damage -% final [33] monster dropped item rarity +% [500] unique boss curse effect on self +% final [0]	Y
Shade of a Witch	monster dropped item rarity +% [500] Curses you Cast never expire You can apply an additional Curse unique boss curse effect on self +% final [-10] Blocks Spells You take 15% of Damage from Blocked Hits	Y
Boss Daemon	+2 to maximum number of Summoned Totems	Y
Daemon		Y
Storming Supplicant	Undead Casts Spark monster no drops or experience [1]	Y
Sheaq, Maker of Floods	+2 to maximum number of Summoned Totems monster dropped item quantity +% [300] monster dropped item rarity +% [800] 50% increased Movement Speed 35% increased Cast Speed 500% increased Totem Life monster additional quantity of dropped items in cruel +% [500] monster additional quantity of dropped items in merciless +% [1000] monster additional rarity of dropped items in cruel +% [750] monster additional rarity of dropped items in merciless +% [1500] monster no map drops [1] kill traps mines and totems on death [1]	Y
Sheaq, Maker of Floods	+2 to maximum number of Summoned Totems monster dropped item quantity +% [300] monster dropped item rarity +% [800] 50% increased Movement Speed 35% increased Cast Speed 500% increased Totem Life monster no map drops [1] kill traps mines and totems on death [1]	Y
Sheaq, Maker of Floods	+2 to maximum number of Summoned Totems monster dropped item quantity +% [300] monster dropped item rarity +% [800] 50% increased Movement Speed 35% increased Cast Speed 500% increased Totem Life monster additional quantity of dropped items in cruel +% [500] monster additional quantity of dropped items in merciless +% [1000] monster additional rarity of dropped items in cruel +% [750] monster additional rarity of dropped items in merciless +% [1500] monster no map drops [1] monster is invasion boss [1] kill traps mines and totems on death [1]	Y
Vaal Thunderguard	Casts Spark	Y
Evocata Apocalyptica	71% increased Totem Life totem art variation [2] +5 to maximum number of Summoned Totems monster dropped item quantity +% [300] monster dropped item rarity +% [800] monster additional quantity of dropped items in cruel +% [300] monster additional quantity of dropped items in merciless +% [600] monster additional rarity of dropped items in cruel +% [300] monster additional rarity of dropped items in merciless +% [600] Far Shot monster reverse point blank damage -% at minimum range [30] monster penalty against minions damage +% final vs player minions [-30] monster no map drops [1] monster is invasion boss [1] kill traps mines and totems on death [1] Blocks Spells You take 10% of Damage from Blocked Hits	Y
The Book Burner	monster dropped item quantity +% [300] monster dropped item rarity +% [800] 25% reduced Movement Speed monster no map drops [1] Traps cannot be Damaged for +4 seconds after being Thrown Mines cannot be Damaged for +4 seconds after being thrown monster is invasion boss [1] kill traps mines and totems on death [1]	Y
Jikeji	monster dropped item quantity +% [300] monster dropped item rarity +% [800] 500% increased Totem Life monster additional quantity of dropped items in cruel +% [500] monster additional quantity of dropped items in merciless +% [1000] monster additional rarity of dropped items in cruel +% [750] monster additional rarity of dropped items in merciless +% [1500] monster no map drops [1] monster is invasion boss [1]	Y
Tahi	500% increased Totem Life monster no map drops [1]	Y
Reanimated Skeleton	Casts Spark 35% increased Cast Speed monster no map drops [1]	Y
Torment Daemon	monster penalty against minions damage +% final vs player minions [-20]	Y
Torment Daemon	monster penalty against minions damage +% final vs player minions [-25]	Y
Legion of Lost Souls	monster no map drops [1]	Y
Brinerot Soothsayer	monster dropped item rarity +% [500] unique boss curse effect on self +% final [0] monster no map drops [1] monster dropped item quantity +% [500] monster dropped item rarity +% [400] Blocks Spells You take 10% of Damage from Blocked Hits cannot have affliction mods [1]	Y
Volatile Tome	base projectile ground effect duration [3000] projectiles drop ground lightning [1] Cannot be Stunned	Y
Guardian of the Phoenix	monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-66] Gain 100% of Physical Damage as Extra Fire Damage Action Speed cannot be modified to below 70% base value cannot be stunned for ms after stun finished [4000] cannot be stunned while stunned [1]	Y
Innocence, God-Emperor of Eternity	cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1] monster dropped item quantity +% [0] monster dropped item rarity +% [6000] monster slain experience +% [250]	Y
The Cleansing Light		Y
Tome of Thunder		Y
Sandworn Slaves		Y
The Eradicator	monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-66] Action Speed cannot be modified to below 70% base value cannot be stunned for ms after stun finished [4000] cannot be stunned while stunned [1]	Y
Fenumal Scorpion	Poison on Hit 100% increased Poison Duration monster dropped item quantity +% [0] monster dropped item rarity +% [750] monster no map drops [0] monster slain experience +% [0]	Y
Fenumal Sandwhipper		Y
Farric Bleeter		Y
Cavestalker	monster dropped item quantity +% [200] monster dropped item rarity +% [1000] monster no map drops [0] monster slain experience +% [0]	Y
Blackhowl, Prime Stalker	monster dropped item quantity +% [200] monster dropped item rarity +% [1000] monster no map drops [0] monster slain experience +% [0] cannot be used as minion [1]	N
Aukuna, the Black Sekhema	monster ignores delve darkness mechanic [1] monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-66] monster dropped item quantity +% [700] monster dropped item rarity +% [1500] monster no map drops [0] monster slain experience +% [0] cannot be stunned for ms after stun finished [4000] cannot be stunned while stunned [1]	Y
Caustic Snake	monster ignores delve darkness mechanic [1]	Y
Blighted Condemned	Resilient to Lightning Towers Avoids Ignited 0% chance to Avoid being Chilled 0% chance to Avoid being Frozen Cannot be Shocked monster dropped item quantity +% [0] monster dropped item rarity +% [0] monster no map drops [0] monster slain experience +% [0]	Y
Blighted Mage	Blocks Spells You take 10% of Damage from Blocked Hits monster dropped item quantity +% [0] monster dropped item rarity +% [0] monster no map drops [1] monster slain experience +% [0]	Y
Eden, Blightspeaker	Blocks Spells You take 10% of Damage from Blocked Hits monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-33] Cannot be Knocked Back	Y
Veritania, The Redeemer	monster dropped item quantity +% [1500] monster dropped item rarity +% [2000] monster slain experience +% [100] unique boss curse effect on self +% final [-66] Action Speed cannot be modified to below 70% base value cannot be stunned for ms after stun finished [4000] cannot be stunned while stunned [1]	Y
Creeping Fire		Y
Wild Hellion Alpha	monster dropped item quantity +% [720] monster dropped item rarity +% [1500] monster no map drops [0] monster slain experience +% [0] monster beyond portal chance +% final [-66] monster hellscape charge +% [-66] unique boss curse effect on self +% final [-33]	Y

Microtransactions /4 ⍟

Icon	Name
	Spark Spiders Effect Your Sparks become skittering spiders of raw electrical energy
	Automaton Spark Effect Your Spark becomes an Automaton Effect.
	Celestial Spark Effect Your Spark becomes a Celestial Effect.
	Void Spark Effect Your Spark becomes a Void Effect.

Labyrinth Enchantment helmet /6 ⍟

Level	Name	Mod	Weight
The Merciless Labyrinth	Enchantment Spark Damage 1	25% increased Spark Damage	100
The Eternal Labyrinth	Enchantment Spark Damage 2	40% increased Spark Damage	100
The Merciless Labyrinth	Enchantment Spark Num Of Additional Projectiles 1	Spark fires 2 additional Projectiles	100
The Eternal Labyrinth	Enchantment Spark Num Of Additional Projectiles 2	Spark fires 3 additional Projectiles	100
The Merciless Labyrinth	Enchantment Spark Projectile Speed 1	20% increased Spark Projectile Speed	100
The Eternal Labyrinth	Enchantment Spark Projectile Speed 2	30% increased Spark Projectile Speed	100

Supported By /94 ⍟

Support Gem	Description
Added Fire Damage Support	Supports any skill that hits enemies.
Greater Multiple Projectiles Support	Supports projectile skills.
Lesser Multiple Projectiles Support	Supports projectile skills.
Greater Volley Support	Supports skills that fire projectiles from the user. Does not affect projectiles fired from other locations as secondary effects.
Faster Projectiles Support	Supports projectile skills.
Added Cold Damage Support	Supports any skill that hits enemies.
Added Lightning Damage Support	Supports any skill that hits enemies.
Increased Critical Strikes Support	Supports any skill that hits enemies.
Increased Critical Damage Support	Supports any skill that hits enemies.
Knockback Support	Supports any skill that hits enemies.
Life Leech Support	Supports any skill that hits enemies, causing those hits to leech life based on damage dealt.
Added Chaos Damage Support	Supports any skill that hits enemies.
Stun Support	Supports any skill that hits enemies, making it easier to stun enemies with those skills.
Pierce Support	Supports projectile skills.
Trap Support	Supports 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.
Item Rarity Support	Supports any skill that can kill enemies.
Faster Casting Support	Supports non-instant spell skills.
Increased Duration Support	Supports any skill with a duration.
Cold to Fire Support	Supports any skill that hits enemies.
Combustion Support	Supports any skill that hits enemies.
Elemental Proliferation Support	Supports any skill that hits enemies, or could otherwise apply elemental ailments.
Culling Strike Support	Supports any skill that hits enemies. If enemies are left below 10% of maximum life after being hit by these skills, they will be killed.
Iron Will Support	Supports spell skills, making the increase to physical melee damage from strength also increase their spell damage.
Spell Totem Support	Supports spell skills that are not triggered. Instead of casting that spell, you will summon a totem that casts the spell for you.
Blastchain Mine Support	Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.
Chance to Flee Support	Supports any skill that hits enemies.
Blind Support	Supports any skill that hits enemies.
Fire Penetration Support	Supports any skill that hits enemies, making those hits penetrate enemy fire resistance.
Cold Penetration Support	Supports any skill that hits enemies, making those hits penetrate enemy cold resistance.
Lightning Penetration Support	Supports any skill that hits enemies, making those hits penetrate enemy lightning resistance.
Elemental Penetration Support	Supports any skill that hits enemies, making those hits penetrate enemy elemental resistances.
Chain Support	Supports projectile skills, and any other skills that chain.
Fork Support	Supports projectile skills, making their projectiles fork into two projectiles the first time they hit an enemy and don't pierce it.
Spell Echo Support	Supports spell skills, making them repeat when cast. Cannot support Vaal skills, totem skills, channelling skills, triggered skills, instant skills, or skills with a reservation.
Power Charge On Critical Support	Supports any skill that hits enemies.
Burning Damage Support	Supports any skill that hits enemies, or can deal burning damage directly.
Hextouch Support	Must support both a skill that hits enemies, and a hex curse skill to work. The hex will be applied when enemies are hit by the other skill. Cannot support totems, traps, or mines. Minions cannot apply hexes this way.
Slower Projectiles Support	Supports projectile skills.
Less Duration Support	Supports any skill that has a duration.
Cast on Death Support	Each supported spell skill will be triggered when you die. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
Cast when Damage Taken Support	Each supported spell skill will track damage you take, and be triggered when the total damage taken reaches a threshold. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
Cast when Stunned Support	Each supported spell skill will have a chance to be triggered when you are stunned. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
Block Chance Reduction Support	Supports any skill that hits enemies.
Physical to Lightning Support	Supports any skill that hits enemies.
Ice Bite Support	Supports any skill you use to hit enemies yourself. Cannot support skills used by totems, traps, or mines.
Hypothermia Support	Supports any skill that deals damage.
Innervate Support	Supports any skill you use to hit enemies yourself. Cannot support skills used by totems, traps, or mines.
Critical Strike Affliction Support	Supports any skill that hits enemies.
Void Manipulation Support	Supports any skill that deals damage.
Controlled Destruction Support	Supports attack skills, or spell skills that deal damage.
Swift Affliction Support	Supports any skill that has a duration, or can hit enemies to inflict ailments on them.
Elemental Focus Support	Supports any skill that hits or burns enemies, or inflicts elemental ailments.
Ignite Proliferation Support	Supports any skill that hits enemies.
Chance to Poison Support	Supports any skill that hits enemies.
Deadly Ailments Support	Supports any skill that hits enemies.
Decay Support	Supports any skill that hits enemies.
Efficacy Support	Supports any skill that deals damage or has a duration.
Vile Toxins Support	Supports any skill that hits enemies.
Immolate Support	Supports any skill that hits enemies.
Unbound Ailments Support	Supports any skill that hits enemies or inflicts ailments
Brutality Support	Supports any skill that deals damage.
Onslaught Support	Supports any skill that hits enemies.
Arcane Surge Support	Each supported spell will track how much mana you spend on it, granting a buff when the total mana spent reaches a threshold. Cannot support skills used by totems, traps, mines or skills with a reservation.
Volley Support	Supports skills that fire projectiles from the user. Does not affect projectiles fired from other locations as secondary effects.
Summon Phantasm Support	Supports skills that can hit enemies, or create minions. When those skills or minions kill enemies, or hit rare or unique enemies they will have a chance to summon a Phantasm minion, which uses a piercing projectile spell that deals physical damage.
Bonechill Support	Supports any skill that can chill enemies or create chilling areas.
Energy Leech Support	Supports any skill that hits enemies, causing those hits to leech energy shield based on damage dealt.
Unleash Support	Supports spell skills, making their effect reoccur when cast. Cannot support skills with cooldowns, triggered skills, Brand skills, Vaal skills, channelling skills, skills with a reservation, or skills used by totems, traps, or mines. Cannot modify the skills of minions.
High-Impact Mine Support	Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.
Awakened Added Fire Damage Support	Supports any skill that hits enemies.
Awakened Brutality Support	Supports any skill that deals damage.
Awakened Burning Damage Support	Supports any skill that hits enemies, or can deal burning damage directly.
Awakened Fire Penetration Support	Supports any skill that hits enemies, making those hits penetrate enemy fire resistance.
Awakened Added Cold Damage Support	Supports any skill that hits enemies.
Awakened Chain Support	Supports projectile skills, and any other skills that chain.
Awakened Cold Penetration Support	Supports any skill that hits enemies, making those hits penetrate enemy cold resistance.
Awakened Deadly Ailments Support	Supports any skill that hits enemies.
Awakened Fork Support	Supports projectile skills, making their projectiles fork into two projectiles the first two times they hit an enemy and don't pierce it.
Awakened Greater Multiple Projectiles Support	Supports projectile skills.
Awakened Swift Affliction Support	Supports any skill that has a duration, or can hit enemies to inflict ailments on them.
Awakened Void Manipulation Support	Supports any skill that deals damage.
Awakened Added Chaos Damage Support	Supports any skill that hits enemies.
Awakened Added Lightning Damage Support	Supports any skill that hits enemies.
Awakened Controlled Destruction Support	Supports attack skills, or spell skills that deal damage.
Awakened Hextouch Support	Must support both a skill that hits enemies, and a hex curse skill to work. The hex will be applied when enemies are hit by the other skill. Cannot support totems, traps, or mines. Minions cannot apply hexes this way.
Awakened Elemental Focus Support	Supports any skill that hits or burns enemies, or inflicts elemental ailments.
Awakened Lightning Penetration Support	Supports any skill that hits enemies, making those hits penetrate enemy lightning resistance.
Awakened Spell Echo Support	Supports spell skills, making them repeat when cast. Cannot support Vaal skills, totem skills, channelling skills, triggered skills, instant skills, or skills with a reservation.
Awakened Unbound Ailments Support	Supports any skill that hits enemies or inflicts ailments
Awakened Unleash Support	Supports spell skills, making their effect reoccur when cast. Cannot support skills with cooldowns, triggered skills, Brand skills, Vaal skills, channelling skills, skills with a reservation, or skills used by totems, traps, or mines. Cannot modify the skills of minions.
Archmage Support	Supports spell skills that deal damage with hits and have no reservation. Cannot support arcane skills, Vaal skills, or skills used by totems, traps or mines. Cannot modify the skills of minions.
Pinpoint Support	Supports projectile spells you cast yourself. Cannot support triggered skills, Vaal skills, instant skills, channelling skills, skills with a reservation or which create minions, or skills used by totems, traps, or mines.
Trinity Support	Supports skills that hit enemies, causing them to gain bonuses while you have resonance of all three elements, and to grant resonance of elements other than the highest one in a hit. There is a maximum of 50 Resonance for each Element. Cannot support triggered skills, instant skills, orb skills, brands, skills with a reservation, or skills used by totems, traps, or mines. Cannot modify the skills of minions.
Cruelty Support	Supports any skill that hits enemies.

Spark Unique /1 ⍟

Name	Show Full Descriptions
	Hazardous Research Cobalt Jewel (10–15)% increased Lightning Damage With at least 40 Intelligence in Radius, Spark fires 0 additional Projectiles With at least 40 Intelligence in Radius, Spark fires Projectiles in a circle

Community Wiki

Wiki Edit

Spark

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.

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%

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