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Ball Lightning

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Ball LightningSpell, Projectile, AoE, Lightning
Radius: 22
Mana Cost: (12-23)
Cast Time: 0.70 sec
Critical Strike Chance: 5.00%
Effectiveness of Added Damage: 50%
Projectile Speed: 400
Requires Level 28Fires a slow-moving projectile that periodically damages enemies in an area around it with bolts of lightning.Per 1% Quality:1231% increased Lightning Damage0.5% increased Cast SpeedProjectiles have 0.5% chance to be SuperchargedDeals (3-22) to (48-426) Lightning DamagePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Ball Lightning skill icon.pngBall Lightning inventory icon.png
Acquisition
Level: 28
Purchase Costs
Normal1x Orb of Chance
Sell Price
1x Scroll Fragment
Miscellaneous
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemBallLightning

Ball Lightning skill screenshot.jpg

Ball Lightning is a spell that creates a moving ball dealing lightning damage.

Skill functions and interactions

Ball Lightning is a slow moving projectile, that strikes targets with bolts of lightning around itself. Lightning bolts strike targets every 150 milliseconds and each target cannot be hit more often than this. That restriction is shared between all balls fired on the same cast.[1] The base projectile speed is roughly 48 units per second.[2]

  • Lesser Multiple Projectiles SupportLesser Multiple Projectiles SupportSupport, Projectile
    Icon: l
    Mana Multiplier: 140%
    Requires Level 8Supports projectile skills.Per 1% Quality:123Supported Skills have 0.5% increased Attack Speed
    Supported Skills have 0.5% increased Cast Speed
    Supported Skills have 1% reduced Mana Cost
    Supported Skills have 0.5% increased Projectile Speed
    Projectiles Fired by Supported Skills have 1% increased Projectile spread
    Supported Skills fire 2 additional Projectiles
    Supported Skills deal (15-6)% less Projectile Damage
    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.
    and Greater Multiple Projectiles SupportGreater Multiple Projectiles SupportSupport, Projectile
    Icon: P
    Mana Multiplier: 165%
    Requires Level 38Supports projectile skills.Per 1% Quality:123Supported Skills have 0.5% increased Attack Speed
    Supported Skills have 0.5% increased Cast Speed
    Supported Skills have 1% reduced Mana Cost
    Supported Skills have 0.5% increased Projectile Speed
    Projectiles Fired by Supported Skills have 1% increased Projectile spread
    Supported Skills fire 4 additional Projectiles
    Supported Skills deal (35-26)% less Projectile Damage
    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.
    increase the number of projectiles, and thus the area of effect. However, since a target cannot be hit more than once within 150 ms, it cannot be used to "shotgun" the target by hitting them with multiple projectiles at once, leading to a possible DPS loss.
  • Balls cast by Multiple Traps SupportMultiple Traps SupportSupport, Trap
    Icon: t
    Mana Multiplier: 140%
    Requires Level 8Supports traps skills, making them throw extra traps in a line.Per 1% Quality:123Supported Skills have 1% increased Trap Trigger Area of EffectSupported Skills can have up to 0.1 additional Traps placed at a timeSupported Skills have 0.2% chance to throw an additional TrapSupported Skills throw up to 2 additional Traps
    Supported Skills can have up to 3 additional Traps placed at a time
    Supported Skills deal (50-31)% less Damage
    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.
    do not share the 150 ms cooldown between each other because every trap counts as a separate "cast".
  • Spell Echo SupportSpell Echo SupportSpell, Support
    Icon: k
    Mana Multiplier: 140%
    Requires Level 38Supports spell skills, making them repeat when cast. Cannot support Vaal skills, totem skills, channelling skills, triggered skills, instant skills, or skills which reserve mana.Per 1% Quality:123Supported Skills deal 0.5% increased Spell DamageSupported Skills have 0.5% increased Cast SpeedSupported Skills deal 1% less Damage
    Final Repeat of Supported Skills deals 3% more Damage
    Supported Skills Repeat an additional time
    Supported Skills have (51-70)% more Cast Speed
    Supported Skills deal 10% less Damage
    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.
    's second cast does not share the 150 ms cooldown with the first one.
  • Increased Area of Effect SupportIncreased Area of Effect SupportSupport, AoE
    Icon: E
    Mana Multiplier: 140%
    Requires Level 38Supports any skill with an area of effect.Per 1% Quality:123Supported Skills deal 0.5% increased Area DamageSupported Skills have 0.5% increased Attack and Cast SpeedSupported Skills have 0.5% increased Area of EffectSupported Skills have (30-49)% increased Area of EffectThis 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.
    increases the range of the bolts fired from the lightning balls.
  • Concentrated Effect SupportConcentrated Effect SupportSupport, AoE
    Icon: o
    Mana Multiplier: 140%
    Requires Level 18Supports any skill with an area of effect, regardless of whether that skill deals damage.Per 1% Quality:123Supported Skills deal 0.5% increased Area DamageSupported Skills have 0.5% less Area of EffectSupported Skills have 0.5% reduced Enemy Stun ThresholdSupported Skills have 30% less Area of Effect
    Supported Skills deal (35-54)% more Area Damage
    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.
    and "Area of Effect damage" passive nodes do not increase Ball Lightning's damage (changes to Area of Effect radius still apply).
  • Slower Projectiles SupportSlower Projectiles SupportSupport, Projectile
    Icon: J
    Mana Multiplier: 140%
    Requires Level 31Supports projectile skills.Per 1% Quality:123Supported Skills deal 0.5% increased Projectile DamageSupported Skills deal 0.75% increased Projectile Damage to nearby EnemiesProjectiles Fired by Supported Skills have 3% chance not to Pierce EnemiesSupported Skills have (20-30)% less Projectile Speed
    Supported Skills deal (20-29)% more Projectile Damage
    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.
    increases the amount of time the enemy spends within the ball's area of effect, resulting in a higher potential number of lightning strikes per cast.
  • Chain SupportChain SupportSupport, Chaining, Projectile
    Icon: c
    Mana Multiplier: 150%
    Requires Level 38Supports projectile skills, and any other skills that chain.Per 1% Quality:123Supported Skills have 1% increased Projectile SpeedSupported Skills have 1% increased Chaining rangeProjectiles Fired by Supported Skills have 4% chance not to Pierce EnemiesSupported Skills Chain +2 times
    Supported Skills deal (30-11)% less Damage with Hits
    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.
    does link with ball lightning. However the ball or the bolts cannot chain, linking it will only result in lower damage.
  • Fork SupportFork SupportSupport, Projectile
    Icon: Y
    Mana Multiplier: 130%
    Requires Level 31Supports projectile skills, making their projectiles fork into two projectiles the first time they hit an enemy and don't pierce it.Per 1% Quality:123Supported Skills deal 0.5% increased Projectile DamageProjectiles from Supported Skills have 1% chance for an additional Projectile when ForkingProjectiles from Supported Skills Pierce an additional TargetSupported Skills deal (-10-9)% more Projectile Damage
    Projectiles from Supported Skills Fork
    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.
    has no effect as Ball Lightning automatically pierces targets. More details can be found on the Projectile page.

Damage per Second: DpS value on the skill tooltip assumes that the skill will do only one hit per cast, so you need to have an idea of the amount of hits it will do to get a better number, an estimate can be obtained using the calculator on the following link. It is worth noting that the calculation will not be very accurate for general use, as enemies will move around and the skill will pass over them using its entire diameter less often than not, however it should be fairly reliable when the skill is used on ranged attacking bosses as they tend to be stationary and the player will usually target them directly.

Gem level progression

LevelLvl.intelligenceMana
Cost
Lightning
Damage
Exp.Total Exp.
12867123 to 4800
23173133 to 57199,345199,345
33479144 to 68285,815485,160
43785154 to 81401,344886,504
54092155 to 95554,3791,440,883
64296166 to 106477,4371,918,320
744100166 to 118583,7862,502,106
846104177 to 131710,3593,212,465
948109178 to 1451,355,5114,567,976
1050113188 to 1611,138,8775,706,853
1152117189 to 1781,368,2337,075,086
12541211910 to 1971,638,3388,713,424
13561251911 to 2171,956,64810,670,072
14581302013 to 2403,655,18414,325,256
15601342014 to 2643,017,32717,342,583
16621382115 to 2917,759,99525,102,578
17641422117 to 32115,138,19340,240,771
18661462219 to 35326,083,82566,324,596
19681512220 to 38862,620,247128,944,843
20701552322 to 426211,708,088340,652,931
21721592425 to 468N/AN/A
2274N/A2427 to 513N/AN/A
2376N/A2530 to 563N/AN/A
2478N/A2532 to 617N/AN/A
2580N/A2636 to 676N/AN/A
2682N/A2639 to 740N/AN/A
2784N/A2743 to 810N/AN/A
2886N/A2747 to 886N/AN/A
2988N/A2851 to 968N/AN/A
3090N/A2856 to 1058N/AN/A
3191N/A2858 to 1106N/AN/A
3292N/A2961 to 1156N/AN/A
3393N/A2964 to 1208N/AN/A
3494N/A2966 to 1263N/AN/A
3595N/A2969 to 1319N/AN/A
3696N/A3073 to 1378N/AN/A
3797N/A3076 to 1440N/AN/A
3898N/A3079 to 1504N/AN/A
3999N/A3083 to 1571N/AN/A
40100N/A3186 to 1641N/AN/A

Item acquisition
Questionmark.png

Upgrade paths

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

AmountIngredientGeneral
Notes
Type
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
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

Skill Video

Trivia

Ball Lightning was accidentally added to the game in an unfinished state in version 1.1.0 and was removed shortly afterwards.[3] It was officially added to the game in version 1.1.5. A history of the skill can be found in Supporter newsletter 73.

Related helmet enchantments

The following helmet enchantments affect Ball Lightning.

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 Ball Lightning Additional Projectiles 175Ball Lightning fires an additional Projectilehelmet 100
default 0
Enchantment Ball Lightning Damage 16625% increased Ball Lightning Damagehelmet 100
default 0
Enchantment Ball Lightning Damage 27540% increased Ball Lightning Damagehelmet 100
default 0
Enchantment Ball Lightning Area Of Effect 16616% increased Ball Lightning Area of Effecthelmet 100
default 0
Enchantment Ball Lightning Area Of Effect 27524% increased Ball Lightning Area of Effecthelmet 100
default 0

Alternate skill effects

Ball Lightning has the following alternate skill effects:

ItemEffect(s)
Celestial Ball Lightning EffectCelestial Ball Lightning EffectSkill Gem EffectYour Ball Lightning becomes a celestial effect.Your Ball Lightning becomes a celestial effect.
Divine Ball Lightning EffectDivine Ball Lightning EffectSkill Gem EffectYour Ball Lightning becomes a divine effect.Your Ball Lightning becomes a divine effect.

Version history

Version Changes
3.12.0
  • Now has a base radius of 18 (from 22).
  • Now deals 3 to 48 lightning damage at gem level 1 (from 3 to 57), up to 22 to 426 lightning damage at gem level 20 (from 28 to 533).
3.11.0
  • Now deals 3 to 57 Lightning Damage at gem level 1 (from 3 to 48), to 28 to 533 Lightning Damage at gem level 20 (from 22 to 426).
  • Now has an added Damage effectiveness of 50% (from 40%).
  • Now costs 12 mana at gem level 1 (from 13), up to 23 mana at gem level 20 (from 25).
  • Now has a base cast time of 0.7 seconds (from 0.75).
3.6.0
  • Mana Cost at gem level 1 is now 13 (was 14).
  • Mana Cost at gem level 20 is now 25 (was 27).
  • Now has a cast time of 0.75 seconds (from 0.8).
  • Now deals 3 to 48 Lightning damage at gem level 1 (from 2 to 35) and 22 to 426 Lightning damage at gem level 20 (from 22 to 420).
  • Now has an added damage effectiveness of 40% (from 35%).
3.3.0
  • Now deals 2-35 lightning damage at gem level 1 (up from 2-32), up to 22-420 lightning damage at gem level 20 (up from 14-260). Now has an added damage effectiveness of 35% (up from 20%).
  • The projectile's base speed is now 33% faster. The projectile hits 33% more frequently to compensate. The base radius has increased by 10%.
  • Disabled the "Reduced Ball Lightning Projectile Speed" enchantment from appearing.
  • Ball Lightning no longer has a 10% damage boost against players.
2.6.0
  • Ball Lightning's radius has increased from 16 to 20 units.
2.1.0
  • Damage increased by around 20% higher at level 20.
2.0.0
  • Base radius increased by 33% (from 12 to 16). Damage reduced. At player level 68 it should deal approximately 24% less damage.
1.2.0
  • Damage has been increased by 30% at all levels. Critical chance increased to 5%.
1.1.5
  • Added to the game.

References

  1. Mark_GGG (July 4, 2014). "GGG devs, please give us some info on Ball Lightning mechanics - questions inside". Official Path of Exile Forums. Retrieved July 4, 2014.
  2. Mark_GGG (July 16, 2014). "Ball Lightning". Official Path of Exile Forums. Retrieved July 17, 2014.
  3. Chris (March 6, 2014). "GGG secretly released Ball Lightning skill". Official Path of Exile Forums. Retrieved March 6, 2014.