Lightning Trap

Lightning TrapTrap, Critical, Spell, Projectile, Lightning
Level: (1-20)
Cost: (8-20) Mana
Cast Time: 1.00 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: 240%
Projectile Speed: 960Requires Level 12Throws a trap that launches a ring of projectiles through the enemy that set it off, dealing lightning damage to them and subsequent targets.Deals (15-659) to (46-1978) Lightning Damage
Trap lasts 4 seconds
Fires 9 Projectiles
Fires Projectiles in a circle
20% chance to Shock enemies
(80-118)% increased Critical Strike Chance against Shocked Enemies
(0-19)% increased Effect of Shock

Additional Effects From 1-20% Quality:
(0.75-15)% Chance for Trap to Trigger an additional timePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 12Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemLightningTrap

Lightning Trap launches a ring of projectiles through the enemy that set it off, dealing lightning damage to them and subsequent targets.

Skill Functions and Interactions

• Cast speed: Modifiers to Cast speed do not affect Lightning Trap since it is the trap, not the player, that is casting the spell.

• Damage types: Lightning Trap is affected by modifiers to Lightning Damage, Elemental Damage, Projectile Damage, Spell Damage, and Trap Damage.

• Pierce: Lightning trap does not pierce by default, but it can do so if player has pierce chance from items/passives or it is linked with Pierce SupportPierce SupportSupport, Projectile
  Icon: p
  Level: (1-20)
  Cost & Reservation Multiplier: 120%Requires Level 4Supports projectile skills.Projectiles from Supported Skills Pierce (2-4) additional Targets
  Supported Skills deal (0-19)% more Projectile Damage
  
  Additional Effects From 1-20% Quality:
  Supported Skills deal (0.5-10)% increased Projectile DamageThis 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 Skill Gem you wish to augment. Right click to remove from a socket. gem.

• Chain: Lightning trap can chain if linked with Chain SupportChain SupportSupport, Chaining, Projectile
  Icon: c
  Level: (1-20)
  Cost & Reservation Multiplier: 150%Requires Level 38Supports projectile skills, and any other skills that chain.Supported Skills Chain +2 times
  Supported Skills deal (30-11)% less Damage with Hits
  
  Additional Effects From 1-20% Quality:
  Supported Skills have (0.5-10)% increased Chaining rangeThis 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 Skill Gem you wish to augment. Right click to remove from a socket. gem. Chained projectiles can miss the targets if they are moving too quickly.

• Projectile Speed: Modifiers to Projectile Speed from passives or things like Faster Projectiles SupportFaster Projectiles SupportSupport, Projectile
  Icon: j
  Level: (1-20)
  Cost & Reservation Multiplier: 120%Requires Level 31Supports projectile skills.Supported Skills have (50-69)% increased Projectile Speed
  Supported Skills deal (20-29)% increased Projectile Damage
  
  Additional Effects From 1-20% Quality:
  Supported Skills have (0.5-10)% increased Projectile SpeedThis 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 Skill Gem you wish to augment. Right click to remove from a socket. affect the maximum distance each projectile can travel. Higher projectile speed also makes chained projectiles hit more frequently as they won't fly past moving enemies so often.
• Curse on Hit: Lightning Trap does not work with Curse on Hit

Gem level progression

Level				Mana Cost	Lightning Damage	Crit	Shock	Exp.	Total Exp.
1	12	14	21	8	15 to 46	80%	—	0	0
2	15	17	25	8	20 to 60	82%	1%	15249	15249
3	19	21	30	9	28 to 83	84%	2%	41517	56766
4	23	24	35	10	37 to 111	86%	3%	81983	138749
5	27	28	41	10	49 to 148	88%	4%	147968	286717
6	31	32	46	11	65 to 194	90%	5%	250557	537274
7	35	36	51	11	84 to 253	92%	6%	405086	942360
8	38	38	55	12	102 to 306	94%	7%	447718	1390078
9	41	41	59	13	123 to 369	96%	8%	615318	2005396
10	44	44	63	14	148 to 444	98%	9%	834639	2840035
11	47	47	67	14	177 to 532	100%	10%	1570760	4410795
12	50	49	71	15	212 to 636	102%	11%	1633987	6044782
13	53	52	75	16	253 to 758	104%	12%	2151030	8195812
14	56	55	79	16	301 to 902	106%	13%	2812189	11008001
15	59	58	83	17	357 to 1071	108%	14%	5099360	16107361
16	62	60	87	18	423 to 1269	110%	15%	9400731	25508092
17	64	62	90	18	473 to 1419	112%	16%	15273366	40781458
18	66	64	92	19	529 to 1586	114%	17%	26286582	67068040
19	68	66	95	19	591 to 1772	116%	18%	62890590	129958630
20	70	68	98	20	659 to 1978	118%	19%	212046017	342004647
21	72	70	100	20	736 to 2207	120%	20%	—	—
22	74	—	—	21	820 to 2460	122%	21%	—	—
23	76	—	—	21	914 to 2741	124%	22%	—	—
24	78	—	—	21	1018 to 3053	126%	23%	—	—
25	80	—	—	22	1133 to 3398	128%	24%	—	—
26	82	—	—	23	1260 to 3780	130%	25%	—	—
27	84	—	—	23	1401 to 4203	132%	26%	—	—
28	86	—	—	23	1557 to 4672	134%	27%	—	—
29	88	—	—	24	1730 to 5190	136%	28%	—	—
30	90	—	—	24	1921 to 5764	138%	29%	—	—
31	91	—	—	26	2024 to 6073	139%	29%	—	—
32	92	—	—	26	2133 to 6399	140%	30%	—	—
33	93	—	—	27	2247 to 6741	141%	30%	—	—
34	94	—	—	27	2367 to 7100	142%	31%	—	—
35	95	—	—	28	2493 to 7478	143%	31%	—	—
36	96	—	—	29	2625 to 7876	144%	32%	—	—
37	97	—	—	29	2765 to 8294	145%	32%	—	—
38	98	—	—	30	2911 to 8733	146%	33%	—	—
39	99	—	—	30	3065 to 9195	147%	33%	—	—
40	100	—	—	31	3227 to 9680	148%	34%	—	—

Item acquisition

Lightning Trap can drop anywhere.

Recipes

Lightning Trap can be created from the following recipes:

Amount	Part	Description	Meta
7	Deathly DesignsDeathly Designs7Level 21 Trap Gem Quality: +23% Corrupted"The Karui was correct; there is virtue in honouring my ancestors."	Random corrupted level 21 Trap gem with 23% quality	A
13	The CataclysmThe Cataclysm13Level 21 Spell Gem CorruptedThe 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 gem	A
6	The 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 gem	A
3	Gemcutter's PromiseGemcutter's Promise3Gem 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 gem with 20% quality	A
1	Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item Item drops after killing {0} monstersRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.	Random gem with 1–20% quality	A
1	The VoidThe Void1Reach into the Void and claim your prize.	Random divination card set exchange	A

Quest reward

This item is given as a quest reward for the following quests:

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
Quest ↓
The Siren's Cadence Act 1

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 ↓
The Siren's Cadence Act 1 Nessa
A Fixture of Fate Act 3 Siosa
Fallen from Grace Act 6 Lilly Roth

Related helmet enchantments

The following helmet enchantments affect Lightning Trap.

Note that helmet enchantments are no longer obtainable since version 3.23.0 and can only be obtained in permanent leagues as already enchanted items from before this patch.

Name		Labyrinth	Stats	Spawn Weighting
Enchantment Lightning Trap Additional Pierce 1	66	Merciless Labyrinth	Lightning Trap pierces 2 additional Targets	helmet 100
Enchantment Lightning Trap Additional Pierce 2	75	Eternal Labyrinth	Lightning Trap pierces 3 additional Targets	helmet 100
EnchantmentLightningTrapCooldownSpeed1	66	Merciless Labyrinth	20% increased Lightning Trap Damage	helmet 0
EnchantmentLightningTrapCooldownSpeed2	75	Eternal Labyrinth	30% increased Lightning Trap Damage	helmet 0
Enchantment Lightning Trap Damage 1	66	Merciless Labyrinth	25% increased Lightning Trap Damage	helmet 100
Enchantment Lightning Trap Damage 2	75	Eternal Labyrinth	40% increased Lightning Trap Damage	helmet 100
Enchantment Lightning Trap Penetration 1	66	Merciless Labyrinth	Lightning Trap Damage Penetrates 6% Lightning Resistance	helmet 100
Enchantment Lightning Trap Penetration 2	75	Eternal Labyrinth	Lightning Trap Damage Penetrates 10% Lightning Resistance	helmet 100
Enchantment Lightning Trap Shock Effect 1	66	Merciless Labyrinth	25% increased Lightning Trap Lightning Ailment Effect	helmet 100
Enchantment Lightning Trap Shock Effect 2	75	Eternal Labyrinth	40% increased Lightning Trap Lightning Ailment Effect	helmet 100

Alternate skill effects

Lightning Trap has the following alternate skill effects:

Item	Description
Celestial Lightning Trap EffectCelestial Lightning Trap EffectSkill Gem EffectYour Lightning Trap becomes a Celestial Effect.	Your Lightning Trap becomes a Celestial Effect.

Version history

Version	Changes
3.23.0	Quality now provides 0-15% Chance for Traps to Trigger an additional time, instead of 0-20% increased Lightning Damage and 0-10% increased Effect of Lightning Ailments.
3.17.0	Lightning Trap now deals 15 to 46 Lightning Damage at gem level 1 (previously 18 to 54), up to 659 to 1978 at gem level 20 (previously 466 to 1399). Now has 240% Effectiveness of Added Damage at all gem levels (previously 170%).
3.11.0	Now has an added Damage effectiveness of 170% (from 135%).
3.6.0	Now deals 18 to 54 Lightning damage at gem level 1 (from 19 to 58) and 466 to 1399 Lightning damage at gem level 20 (from 391 to 1174). Now has an added damage effectiveness of 135% (from 100%).
3.4.0	Base damage increased by 40% at all gem levels.
3.3.0	No longer has a cooldown. Now deals 14-41 lightning damage at gem level 1 (from 3-62), up to 279-838 at gem level 20 (from 52-979). Now has 1% increased lightning damage per 1% gem quality, and 1% increased effect of shock per 2% gem quality (previously had 1% increased trap throwing speed per 2% gem quality). Incredible value! Now has 80% increased critical strike chance against shocked enemies, growing as the gem levels, up to 118% at gem level 20. Now has a lower mana cost at higher gem levels, up to 20 mana at gem level 20 (from 24). Now has a base critical strike chance of 6% (up from 5%). Now has an added damage effectiveness of 100% (up from 90%). Now fires projectiles with a random rotation, as opposed to targeting an enemy.
3.2.0	Base duration lowered to 4 seconds (from 16).Trap will now trigger at the end of its duration.
2.0.0	Damage increased by approximately 80% at all levels. Mana cost reduced at higher levels. Critical Strike Chance increased from 4% to 5%.
1.0.0	Damage at high levels has been reduced (around 10% less damage at level 15).
0.11.6	Lightning Trap has been added to the game.