Ball Lightning

Ball LightningSpell, AoE, Projectile, Sustained, Lightning, Duration, Chaining
Tier: 11
Level: (1-20)
Cost: (9-96) Mana
Cast Time: 1.00 sec
Critical Strike Chance: 9.00%Fire a slow-moving Projectile that moves through enemies. The Projectile itself does not Hit enemies, but repeatedly discharges bolts of Lightning at nearby enemies. Consumes a Fire Infusion if possible to slow down over time, create Ignited Ground as it travels, and explode dealing Fire damage in an Area after it dissipates.Deals (1-4) to (3-70) Lightning Damage
Hits enemies in range every 0.2 seconds
750% more chance to Shock
Bolts target enemies within 1.8 metres

Additional Effects From 1-20% Quality:
Bolts target enemies within +(0.02-0.4) metresSkills can be managed in the Skills Panel.

Acquisition
Drop restricted
It can be obtained by engraving an Uncut Skill Gem.Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemBallLightning

Ball Lightning is a lightning spell skill that launches a slow-moving projectile that rapidly hits nearby enemies. If you have a Fire Infusion, it is consumed to have the projectile leave ignited ground on it path and have it explode when it expires and deal fire damage in an area.

Gem level progression

Level			Mana Cost	Lightning Damage
1	0	0	9	1 to 3
2	3	9	11	1 to 4
3	6	14	13	1 to 5
4	10	21	15	1 to 6
5	14	28	17	1 to 8
6	18	35	19	1 to 10
7	22	41	22	1 to 12
8	26	48	25	1 to 14
9	31	57	29	1 to 16
10	36	65	33	1 to 19
11	41	74	37	1 to 22
12	46	82	41	1 to 25
13	52	92	46	2 to 29
14	58	103	51	2 to 33
15	64	113	57	2 to 38
16	66	116	64	2 to 43
17	72	126	71	3 to 49
18	78	137	78	3 to 55
19	84	147	87	3 to 62
20	90	157	96	4 to 70

Recommended support gems

The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.

Gem tier	Support gems
I	Magnified Area IMagnified Area ISupport, AoE Category: Increased Area of Effect Tier: 1 Cost & Reservation Multiplier: 130%Support Requirements: +5 IntSupports any skill with an area of effect, making it larger.Supported Skills have 35% increased Area of EffectPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Projectile Deceleration IProjectile Deceleration ISupport, Projectile Category: Projectile Speed Tier: 1Support Requirements: +5 DexSupports Projectile skills, making those Projectiles travel more slowly.Supported Skills have 25% less Projectile SpeedPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	UnleashUnleashSupport, Spell Category: Unleash Tier: 1 Cost & Reservation Multiplier: 150%Support Requirements: +5 IntSupports Spells you cast yourself, making their effect reoccur when cast. Cannot support Channelling Skills or Skills with a Cooldown.Supported Spells gain a Seal every 200% of cast time, to a maximum of 2 Seals Supported Spells are Unsealed when cast, and their effects Reoccur for each Seal lost Supported Skills deal 50% less Damage when ReoccurringPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
II	Considered CastingConsidered CastingSupport, Spell Category: Considered Casting Tier: 2 Cost & Reservation Multiplier: 115%Support Requirements: +5 IntSupports Spell Skills that Hit Enemies and you cast yourself, boosting Damage at the cost of Cast Speed.Supported Spell Skills have 15% less Cast Speed Supported Spells deal 35% more DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	ExciseExciseSupport Category: Grants Cooldown Tier: 2 Cooldown Time: 8.00 sec Can Store 1 Use(s)Support Requirements: +5 IntSupports any damaging Skill that you use yourself, granting it significantly higher chance to Critically Hit, but causing it to gain a long cooldown. Cannot support Skills which already have a cooldown.Supported Skills have 40% more chance to Critically Hit Supported Skills have a Cooldown of 8 secondsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Multishot IIMultishot IISupport, Projectile Category: Additional Projectiles Tier: 2Support Requirements: +5 DexSupports Projectile skills, making them fire extra Projectiles. Also lowers Attack and Cast speed of supported skills, as well as lessening their damage.Supported Skills deal 25% less Damage Supported Skills fire 2 additional Projectiles Supported Skills have 20% less Skill SpeedPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
III	Inevitable CriticalInevitable CriticalSupport Category: Inevitable Critical Tier: 3 Cost & Reservation Multiplier: 120%Support Requirements: +5 IntSupports any skill you use yourself that Hits enemies, causing it to accumulate Critical Hit chance over time.Supported Skills gain 25% increased Critical Hit Chance each second, up to 200%. This Critical Hit Chance is lost whenever a skill supported by Inevitable Critical Critically HitsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Wildshards IWildshards ISupport, Spell, Projectile Category: Additional Projectiles Tier: 3 Cost & Reservation Multiplier: 120%Support Requirements: +5 IntSupports Projectile Spells. Supported Spells have a chance to fire many additional Projectiles in a circle.Supported Skills have a 20% chance to fire 8 additional Projectiles in a circlePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
IV	Lightning ExposureLightning ExposureSupport, Lightning, Duration Category: Lightning Exposure Tier: 4 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports any skill that Hits enemies, causing it to inflict Exposure when inflicting Shock.Supported Skills inflict Exposure for 8 seconds on Shocking a targetPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Living Lightning IILiving Lightning IISupport, Minion, Lightning, Duration Category: Living Lightning Tier: 4Support Requirements: +5 IntSupports Skills which cause Damaging Hits. Living Lightning Minions are created when dealing Lightning damage with Supported Skills - bundles of living electricity that target nearby enemies with Chaining Attacks. Enemies will not directly engage these Minions, and can pass through them. Does not modify skills used by Minions.Trigger Living Lightning on dealing Lightning Damage with Supported Skill Living Lightning Cooldown Time: (0.20 s (5 Times)) Minions from this skill have 1% increased Attack Speed per 10 of your Dexterity Minions from this skill have 1% increased Damage per 5 of your Strength This Skill is Triggered on dealing Lightning Damage with Supported Skill Creates 1 Minion Level of Minions is based on Level of Triggering Skill Minion duration is 30 seconds Limit 8 Minions Minions convert 100% of Physical damage to Lightning damage Minions Attack every 0.14 seconds Minions disperse after 3 AttacksPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Nova ProjectilesNova ProjectilesSupport, Projectile Category: Additional Projectiles Tier: 4Support Requirements: +5 DexSupports Projectile Skills, making them fire extra Projectiles in a circle, at the cost of Damage. Does not support Skills which rain down Projectiles from above.Supported Skills fire 4 additional Projectiles Supported Skills fire Projectiles in a circle Supported Skills deal 40% less DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
V	Ignite IIIIgnite IIISupport, Fire Category: Ignite Tier: 5 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that Hits enemies, making it more likely to Ignite and causing inflicted Ignites to deal their damage more quickly.Ignites from Supported Skills deal Damage 15% faster Supported Skills have 200% more Flammability MagnitudePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Lightning MasteryLightning MasterySupport, Lightning Category: Mastery Tier: 5Support Requirements: +5 IntSupports Lightning skills, granting them an additional level. Does not support skills which do not have levels.+1 to Level of Supported Lightning SkillsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.

Item acquisition

Ball Lightning has restrictions on where or how it can drop.

It can be obtained by engraving an Uncut Skill Gem.

Alternate skill effects

Ball Lightning has the following alternate skill effects:

Item	Description

Version history

Version	Changes
0.3.0	The base damage scaling of all player spell and secondary damage skills has been tweaked to scale better in the late game. Generally speaking, spells that do not have damage number changes called out below will have near-identical base damage at low levels, roughly 5% more damage at gem level 20, and roughly 20% more damage at gem level 30. Ball Lightning: Can now consume a Fire Infusion to leave a trail of ignited ground and explode at the end of its travel.
0.2.1	Added "Barrageable" gem tag.[Undocumented]
0.2.0f	Fixed a bug where Ball Lightning could not be supported by Chain support. Added "Chaining" gem tag.[Undocumented]
0.2.0	Many Skills have had their base damage and/or damage growth per level rebalanced. Most of these changes are not specifically mentioned below as the changes are too widespread. Improved Ball Lightning's description to clarify that the ball itself does not hit enemies.
0.1.0	Introduced to the game.