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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:
1% increased Lightning Damage
Deals (3-28) to (57-533) 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:
    Supported Skills have 0.5% increased Attack Speed
    Supported Skills have 0.5% increased Cast Speed
    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:
    Supported Skills have 0.5% increased Attack Speed
    Supported Skills have 0.5% increased Cast Speed
    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:
    Supported Skills have 1% increased Trap Trigger Area of Effect
    Supported 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:
    Supported Skills deal 0.5% increased Spell 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:
    Supported Skills deal 0.5% increased Area Damage
    Supported 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:
    Supported Skills deal 0.5% increased Area Damage
    Supported 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:
    Supported Skills deal 0.5% increased Projectile Damage
    Supported 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:
    Supported Skills have 1% increased Projectile Speed
    Supported 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:
    Supported Skills deal 0.5% increased Projectile Damage
    Supported 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 5700
23173134 to 69199,345199,345
33479144 to 82285,815485,160
43785155 to 97401,344886,504
54092156 to 115554,3791,440,883
64296167 to 128477,4371,918,320
744100168 to 143583,7862,502,106
846104178 to 159710,3593,212,465
948109179 to 1771,355,5114,567,976
10501131810 to 1971,138,8775,706,853
11521171811 to 2181,368,2337,075,086
12541211913 to 2421,638,3388,713,424
13561251914 to 2681,956,64810,670,072
14581302016 to 2963,655,18414,325,256
15601342017 to 3273,017,32717,342,583
16621382119 to 3617,759,99525,102,578
17641422121 to 39815,138,19340,240,771
18661462223 to 43926,083,82566,324,596
19681512225 to 48462,620,247128,944,843
20701552328 to 533211,708,088340,652,931
21721592431 to 586N/AN/A
2274N/A2434 to 644N/AN/A
2376N/A2537 to 708N/AN/A
2478N/A2541 to 778N/AN/A
2580N/A2645 to 854N/AN/A
2682N/A2649 to 937N/AN/A
2784N/A2754 to 1027N/AN/A
2886N/A2759 to 1126N/AN/A
2988N/A2865 to 1234N/AN/A
3090N/A2871 to 1352N/AN/A
3191N/A2874 to 1414N/AN/A
3292N/A2978 to 1480N/AN/A
3393N/A2981 to 1548N/AN/A
3494N/A2985 to 1619N/AN/A
3595N/A2989 to 1694N/AN/A
3696N/A3093 to 1772N/AN/A
3797N/A3098 to 1853N/AN/A
3898N/A30102 to 1937N/AN/A
3999N/A30107 to 2026N/AN/A
40100N/A31111 to 2118N/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

Quest reward

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

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
Sever the Right Hand
Act 3

Vendor reward

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

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
A Fixture of Fate
Act 3
Siosa
Sever the Right Hand
Act 3
Clarissa
Fallen from Grace
Act 6
Lilly Roth

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
3.11.0
  • 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.