Kog'Maw (League of Legends)

Games

Kog'Maw

 Gameplay

 Cosmetics

 Audio

 Patch History

 Archive

 Trivia

Kog'Maw
the Mouth of the Abyss
Release date	2010-06-24
Last changed	V11.18
Class(es)	Marksman
Legacy	Marksman Mage
Position(s)	Bottom
Resource	Mana
Range type	Ranged
Adaptive type	Physical
Store price	4800 | 880
Crafting	+ 2880
Ratings
Damage 3 Toughness 1 Control 1 Mobility 1 Utility 1
Style
Difficulty
Champion Spotlight
Kog'Maw Champion Spotlight

Kog'Maw is a champion in League of Legends.

Base statisticsKogMawEdit
Health 565+85
Health 565+85
Mana 325+40
Mana 325+40
Health regen. (per 5s) 3.75+0.55
Health regen. (per 5s) 3.75+0.55
Mana regen. (per 5s) 8.75+0.7
Mana regen. (per 5s) 8.75+0.7
Armor 24+3.25
Armor 24+3.25
Attack damage 61+3.11
Attack damage 61+3.11
Magic resist. 30+0.5
Magic resist. 30+0.5
Crit. damage 175%
Crit. damage 175%
Move. speed 330
Move. speed 330
Attack range 500
Attack range 500
Attack speed
Base AS 0.665
Base AS 0.665
Attack windup 16.622%
Attack windup 16.622%
AS ratio N/A
AS ratio N/A
Bonus AS +2.65%
Bonus AS +2.65%
Missile speed 1800
Missile speed 1800
Unit radius
Gameplay radius 65
Gameplay radius 65
Selection radius 130
Selection radius 130
Pathing radius 30
Pathing radius 30
Acq. radius 900
Acq. radius 900
Special statistics
Dmg. Dealt -10%
Dmg. Dealt -10%
Dmg. Taken +5%
Dmg. Taken +5%
Healing +0%
Healing +0%
Shielding +0%
Shielding +0%
Dmg. Dealt -8%
Dmg. Dealt -8%
Dmg. Taken +5%
Dmg. Taken +5%
Healing +0%
Healing +0%
Shielding +0%
Shielding +0%
Dmg. Dealt -3%
Dmg. Dealt -3%
Dmg. Taken +3%
Dmg. Taken +3%
Healing +0%
Healing +0%
Shielding +0%
Shielding +0%
Dmg. Dealt +0%
Dmg. Dealt +0%
Dmg. Taken +0%
Dmg. Taken +0%
Healing +0%
Healing +0%
Shielding +0%
Shielding +0%
Dmg. Dealt +0%
Dmg. Dealt +0%
Dmg. Taken +0%
Dmg. Taken +0%
Healing +0%
Healing +0%
Shielding +0%
Shielding +0%

Abilities

Edit

Icathian Surprise

Icathian Surprise
EFFECT RADIUS:	400

Innate: Upon taking fatal damage, Kog'Maw remains active for 4 seconds, becoming unable to basic attack, cast abilities, use summoner spells or activate items but also being invulnerable, untargetable, and immune to crowd control and gaining up to  40% bonus movement speed over the duration. At the end of the duration he explodes, dealing 125 − 550 (based on level)  true damage to all nearby enemies.

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Info

Targeting input	Passive
Damage type
Type	Area damage
Type	Area damage
Sub-type	True
Sub-type	True
Counters
Spell shield	Blocked
Spell shield	Blocked

• Upon Death, Kog'Maw loses all status effects (inherently including crowd control effects) that do not inherently persist through death.
  • An example for a debuff that does persist through death is Brand's Blaze.
• Icathian Surprise's untargetability does not destroy in-flight projectiles.
• Chronoshift and Guardian Angel will take priority over Icathian Surprise.
• After Icathian Surprise ends, the corpse of Kog'Maw will retain unit collision for the duration of his death animation.
• Icathian Surprise will still trigger if Kog'Maw is killed by the Nexus Obelisk.
• If Kog'Maw has an auto attack in the air at the same time that he's moving while he dies, as long as the auto hits the target after Icathian Surprise has started Kog'Maw will be able to auto once during Icathian Surprise.
• Kog'Maw's usable summoner spells will be placed on a 5 second cooldown upon becoming a zombie.
• During Icathian Surprise, Kog'Maw's  attack range is reduced「 to 0 」「 by 500 」, making him automatically path near enemies he is trying to target.

Edit

Caustic Spittle

Caustic Spittle
RANGE:	1200
WIDTH:	140
SPEED:	1650
CAST TIME:	0.25
COST:	40 Mana
COOLDOWN:	8

Passive: Kog'Maw gains  bonus attack speed.

Bonus Attack Speed: 15 / 20 / 25 / 30 / 35%

Active: Kog'Maw launches a corrosive ball of spit in a line in the target direction, dealing magic damage to the first enemy it hits and reducing their  armor and  magic resistance for 4 seconds.

Magic Damage: 90 / 140 / 190 / 240 / 290 (+ 70% AP) Resistances Reduction: 25 / 27 / 29 / 31 / 33%

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Info

Targeting input	Direction
Damage type
Type	Spell damage
Type	Spell damage
Sub-type	Magic
Sub-type	Magic
Counters
Spell shield	Blocked
Spell shield	Blocked
Projectile	Blocked
Projectile	Blocked

• Caustic Spittle will fire from wherever Kog'Maw was at the start of the cast time.

Edit

Bio-Arcane Barrage

Bio-Arcane Barrage
CAST TIME:	none
COST:	40 Mana
COOLDOWN:	17

Active: Kog'Maw empowers his basic attacks for the next 8 seconds, gaining  bonus attack range and dealing bonus magic damage on-hit, capped at 100 against minions and monsters.

Bonus Attack Range: 130 / 150 / 170 / 190 / 210 Bonus Magic Damage: 3 / 4 / 5 / 6 / 7% (+ 1% per 100 AP) of target's maximum health

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Info

Targeting input	Auto
Damage type
Type	Proc damage
Type	Proc damage
Sub-type	Magic
Sub-type	Magic
Counters
Spell shield	Not Blocked
Spell shield	Not Blocked
Parries	Blocked
Parries	Blocked

• Bio-Arcane Barrage does not apply to structures.

Edit

Void Ooze

Void Ooze
RANGE:	1360
WIDTH:	240 / X
SPEED:	1400
CAST TIME:	0.25
COST:	60 / 70 / 80 / 90 / 100 Mana
COOLDOWN:	12

Active: Kog'Maw spews a ball of ooze in the target direction, dealing magic damage to enemies within its path.

Magic Damage: 75 / 120 / 165 / 210 / 255 (+ 70% AP)

A field of ooze is created along the ball's path for 4 seconds, slowing all enemies within every 0.25 seconds.

Slow: 20 / 28 / 36 / 44 / 52%

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Info

Targeting input	Direction
Damage type
Type	Area damage
Type	Area damage
Sub-type	Magic
Sub-type	Magic
Counters
Spell shield	Blocked
Spell shield	Blocked
Projectile	Blocked
Projectile	Blocked

• Void Ooze is always fired from the original cast location.
• 𝐏𝐄𝐍𝐃𝐈𝐍𝐆 𝐅𝐎𝐑 𝐓𝐄𝐒𝐓 : The missile leaves a blob of ooze on the ground every 125 units traveled.

Edit

Living Artillery

Living Artillery
TARGET RANGE:	1300 / 1550 / 1800
EFFECT RADIUS:	240
CAST TIME:	0.25
COST:	40 − 400 (based on casts) Mana
COOLDOWN:	2 / 1.5 / 1

Active: Kog'Maw launches a ball of acid into the air that drops to the target location after 0.6 seconds, granting sight of the area before dealing magic damage to enemies within upon impact, increased by 0% − 50% (based on target's missing health), and revealing them for 2 seconds.

Magic Damage: 100 / 140 / 180 (+ 65% bonus AD) (+ 35% AP) Increased Magic Damage: 150 / 210 / 270 (+ 97.5% bonus AD) (+ 52.5% AP) Maximum Magic Damage: 200 / 280 / 360 (+ 130% bonus AD) (+ 70% AP)

Living Artillery's damage is doubled against enemies below  40% maximum health. Each subsequent cast of Living Artillery within the next 8 seconds costs an additional  40 mana, capping at 400 per cast, and refreshing the duration per cast.

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Info

Targeting input	Location
Damage type
Type	Area damage
Type	Area damage
Sub-type	Magic
Sub-type	Magic
Counters
Spell shield	Blocked
Spell shield	Blocked

• Living Artillery will not reveal stealthed champions.

Patch history

For the expanded patch notes, see here.

V11.18

• Void Ooze
  • AP ratio increased to 70% AP from 50% AP.

V11.10

• General
  • Updated base textures.
  • Updated visual effects.
  • New basic attack missiles and hit effects.
• Icathian Surprise
  • Reduced noise and improved clarity with regards to the size of the explosion.
• Caustic Spittle
  • New hit effects and a new missile to better represent its actual hitbox.
• Bio-Arcane Barrage
  • New effects to make him more representative of the Void.
• Void Ooze
  • New hit effects and a new missile to better represent its actual hitbox.
• Living Artillery
  • New effects that better represent the hitbox.
• Reindeer Kog'Maw, Deep Sea Kog'Maw, and Jurassic Kog'Maw
  • Added new recolors to all VFX.
• Lion Dance Kog'Maw
  • Caustic Spittle
    • New unique VFX.
  • Void Ooze
    • Updated VFX.
  • Living Artillery
    • Updated VFX.
• Pug'Maw
  • All VFX updated.

V11.9

• Icathian Surprise
  • Bug Fix: VO has been restored and is playing once again on all skins.
• Caustic Spittle
  • Resistance reduction increased to 25 / 27 / 29 / 31 / 33% from 20 / 22 / 24 / 26 / 28%.
• Void Ooze
  • Mana cost reduced to 60 / 70 / 80 / 90 / 100 from 80 / 90 / 100 / 110 / 120.

V11.5

• Bio-Arcane Barrage
  • Bonus magic damage health ratio increased to 3 / 4 / 5 / 6 / 7% of target's maximum health from 3 / 3.75 / 4.5 / 5.25 / 6%.

V11.2 - January 21st Hotfix

• Caustic Spittle
  • Bug Fix: No longer permanently loses bonus attack speed after dying.

V10.18

• Stats
  • Health growth reduced to 85 from 90.
  • Armor growth reduced to 3.25 from 3.5.

V10.15

• Arcanist Kog'Maw
  • Void Ooze
    • Bug Fix: VFX now aligns with when it actually deals damage to the enemy units.

V10.13

• Caustic Spittle
  • AP ratio increased to 70% AP from 50% AP.
• Living Artillery
  • AP ratio increased to 35% AP from 25% AP.

V10.12

• Caustic Spittle
  • Bug Fix: Tooltip no longer mentions rooting for 0.5 seconds.

V10.11

• Stats
  • Base health increased to 565 from 534.
  • Health growth increased to 90 from 88.

V10.1

• Living Artillery
  • New Effect: Mana debuff duration now displays on the icon's border.

V9.21

• Stats
  • Base mana increased to 325 from 322.2.
  • Base mana regeneration increased to 8.75 from 8.676.
• Caustic Spittle
  • Base damage increased to 90 / 140 / 190 / 240 / 290 from 80 / 130 / 180 / 230 / 280.
• Void Ooze
  • Base damage increased to 75 / 120 / 165 / 210 / 255 from 60 / 105 / 150 / 195 / 240.

V9.8

• Battlecast Kog'Maw
  • Bug Fix: Fixed a bug where Teemo's Blinding Dart did not correctly display on this skin.

V9.1

• Living Artillery
  • New Effect: Can now ping the time until stacks expire if Kog'Maw is unable to cast Living Artillery due to having too many stacks.

V8.24

• Pug'Maw
  • Void Ooze
    • Bug Fix: Restored self and ally view bubble VFX and enemy view bubbles are now more red.

V8.19

• Stats
  • Base movement speed increased to 330 from 325.
• Living Artillery
  • Target range increased to 1300 / 1550 / 1800 from 1200 / 1500 / 1800.

V8.14

• General
  • Updated mixing and mastering for current SFX.

V8.11

• Stats
  • Base health increased to 534 from 517.76.
  • Health growth increased to 88 from 82.
  • Base armor reduced to 24 from 29.
  • Base health regeneration reduced to 3.75 from 6.
  • Base attack damage reduced to 61 from 65.
  • Attack damage growth increased to 3.11 from 2.41.

V8.4

• Bio-Arcane Barrage
  • Bonus magic damage maximum health ratio increased to 3 / 3.75 / 4.5 / 5.25 / 6% of target's maximum health from 3 / 3.5 / 4 / 4.5 / 5%.

V8.3

• Stats
  • Base health regeneration increased to 6 from 5.924.
• Bio-Arcane Barrage
  • Maximum health bonus magic damage reduced to 3 / 3.5 / 4 / 4.5 / 5% of target's maximum health from 3 / 4 / 5 / 6 / 7%.

V8.1

• Hextech Kog'Maw
  • Void Ooze
    • Bug Fix: VFX around the spit blob projectile no longer disappear beneath elevated terrain.

V7.23

• Living Artillery
  • Bug Fix: Warning indicator VFX can once again be seen from self/ally view in Medium, Low, and Very Low graphics settings.

V7.22

• Stats
  • Base attack damage increased to 65 from 57.46.
  • Base armor increased to 29 from 19.88.

V7.14

• Reindeer Kog'Maw
  • Bug Fix: Vintage loading screen border now properly displays for original owners of the skin.

V7.9

• Stats
  • Magic resistance growth increased to 0.5 from 0.

V6.24

• Bio-Arcane Barrage
  • Maximum health bonus damage increased to 3 / 4 / 5 / 6 / 7% from 2 / 3 / 4 / 5 / 6%.
• Void Ooze
  • Base damage reduced to 60 / 105 / 150 / 195 / 240 from 60 / 110 / 160 / 210 / 260.
  • AP ratio reduced to 50% AP from 70% AP.

V6.21

• Living Artillery
  • Initial and stacking mana cost reduced to 40 from 50.
    • Maximum mana cost reduced to 400 from 500.
  • Increased cost debuff duration reduced to 8 seconds from 10.
  • Base damage increased to 100 / 140 / 180 from 70 / 110 / 150.
  • New Effect: Deals 0.83% increased damage for every 1% of target's missing health, up to 50% bonus damage (versus targets above 40% of their maximum health).
    • Maximum damage implemented at 150 / 210 / 270 + 97.5% bonus AD + 37.5% AP.
  • Threshold to deal double damage reduced to below 40% health from below 50% health. Target's below the above threshold take double damage instead of the previous modifier.
    • Base double damage increased to 200 / 280 / 360 from 140 / 220 / 300.
  • Removed: Triple damage below 25% health, previously 240 / 330 / 540 (+ 195% bonus AD) (+ 75% AP).

V6.20

• Bio-Arcane Barrage
  • Made Bio-Arcane Barrage's attack animation cool again.
  • Updated Lion Dance Kog'Maw's hit particles for even more fireworks.
  • Updated Bio-Arcane Barrage's visual effects across skins to match the new duration.

V6.19

• Stats
  • Base attack speed increased to 0.665 from 0.625.
  • Attack speed growth reduced to 2.65% from 3.5%.
• Caustic Spittle
  • New Passive: 15 / 20 / 25 / 30 / 35% bonus attack speed.
• Bio-Arcane Barrage
  • Removed: Bonus attack speed, maximum attack speed and reduced cast time.
  • Removed: Basic attacks dealing 55% AD to non-minions.
  • Removed: Base bonus magic damage reduced to 0 from 4 / 8 / 12 / 16 / 20.
  • Target's maximum health ratio increased to 2 / 3 / 4 / 5 / 6% of target's maximum health from 2% of target's maximum health at all ranks.
  • Target's maximum health AP ratio increased to 1% per 100 AP from 0.75% per 100 AP.
  • Bonus range increased to 130 / 150 / 170 / 190 / 210 from 90 / 120 / 150 / 180 / 210.
  • Cooldown increased to 17 seconds at all ranks from 13 / 11.5 / 10 / 8.5 / 7.
  • Duration increased to 8 seconds from 6.
  • New effect: Cooldown now starts on-cast instead of at the end of buff duration.

V6.8

• Caustic Spittle
  • Resistance reduction increased to 20 / 22 / 24 / 26 / 28% from 12 / 16 / 20 / 24 / 28%.
• Bio-Arcane Barrage
  • Base damage reduced to 4 / 8 / 12 / 16 / 20 from 10 / 15 / 20 / 25 / 30.

V6.7

• General
  • Splash artwork for Lion Dance Kog'Maw updated to the Chinese art.

March 11th Hotfix

• Bug Fix: On-hit effects were dealing significantly reduced damage while Bio-Arcane Barrage was active.

V6.5

• Stats
  • Attack speed growth increased to 3.5% from 1.5%.
• Caustic Spittle
  • Mana cost reduced to 40 from 60.
• Bio-Arcane Barrage
  • Removed: Passive bonus attack speed.
  • Removed: Minimum damage threshold.
  • New Effect: Bonus damage has a base value of 5 / 10 / 15 / 20 / 25. Percentage health component unchanged.

V6.4

• Stats
  • Base attack speed reduced to 0.625 from 0.665.
• Bio-Arcane Barrage
  • Bonus damage cap against non-champions reduced to 60 from 100.

V6.3

• Caustic Spittle
  • Moved: Passive 15 / 20 / 25 / 30 / 35% bonus attack speed.
• Bio-Arcane Barrage
  • New Effect: Passively grants 15 / 20 / 25 / 30 / 35% attack speed.
  • New Effect: The base magic damage has a minimum damage threshold of 15.

V5.24

• Bio-Arcane Barrage
  • Base damage changed to 2% of target's maximum health from 1.25% per 100 AD (AP ratio unchanged).

November 17th Hotfix

• Stats
  • Attack damage increased to 57.46 from 54.46.
  • Attack speed increased to 0.655 from 0.625.

V5.22

• General
  • New ability icons.
  • Recommended items updated.
• Stats
  • Base attack damage increased to 54.46 from 52.04.
  • Attack damage growth reduced to 2.41 from 3.
  • Base health reduced to 517.76 from 546.16.
  • Health growth reduced to 82 from 87.
• Caustic Spittle
  • Passive's attack speed increased to 15 / 20 / 25 / 30 / 35% from 10 / 15 / 20 / 25 / 30%.
  • Range increased to 1175 from 975.
• Bio-Arcane Barrage
  • Revised Active: For the next 6 seconds, Kog'Maw gains increased attack range, his total attack speed and attack speed cap are doubled and the cast times on his abilities are halved. For the duration, Kog'Maw's attacks versus non-minions deal only 55% of his attack damage but deal bonus magic damage equal to 「 1.25% per 100 AD 」「 1% per 80 AD 」 (+ 「 0.75% per 100 AP) 」「 1% per 133.3 AP 」 of the target's maximum health.
  • Duration reduced to 6 seconds from 8.
  • Bonus range reduced to 90 / 120 / 150 / 180 / 210 from 130 / 150 / 170 / 190 / 210.
  • Cooldown reduced to 13 / 11.5 / 10 / 8.5 / 7 seconds from 17 at all ranks.
  • New Effect: Cooldown timer begins when the buff ends instead of on-cast.
  • Mana cost increased to 40 from 0.
• Living Artillery
  • Base damage reduced to 70 / 110 / 150 from 80 / 120 / 160.
  • Bonus AD ratio increased to 65% bonus AD from 50% Bonus AD
  • AP ratio reduced to 25% AP from 30% AP.
  • Removed: Bonus damage against champions.
  • New Effect: Deals 「 twice the damage 」「 140 / 220 / 300 + 130% Bonus AD + 50% AP 」 to targets below 50% health and 「 thrice the damage 」「 210 / 330 / 450 + 195% bonus AD + 75% AP 」 to targets below 25% health.
  • Base and per-stack mana cost increased to 50 from 40.
  • Maximum cost increased to 500 from 400.
  • Added cost duration increased to 10 seconds from 6.

V4.18

• General
  • New splash artwork for Original Kog'Maw.

V4.14

• Stats
  • Base movement speed reduced to 325 from 330.
• Void Ooze
  • New particle effects.
• Living Artillery
  • Bonus base magic damage to champions reduced to 100% from 125%.

V4.13

• Stats
  • Base health reduced to 400 from 440.
  • Health per level increased to 87 from 84.
• Caustic Spittle
  • Resistance reductions reduced to 12 / 16 / 20 / 24 / 28% from 20 / 22 / 24 / 26 / 28%.

V4.5

• Stats
  • Base armor increased to 14 from 10.

V4.4

• Caustic Spittle
  • Targeting changed to a linear skill shot from a targeted ability.
  • Range increased to 1000 from 625.
  • Base damage increased to 80 / 130 / 180 / 230 / 280 from 60 / 110 / 160 / 210 / 260
  • AP ratio reduced to 50% AP from 70% AP.
  • Shred increased to 20 / 22 / 24 / 26 / 28% from 5 / 10 / 15 / 20 / 25 flat.
  • Mana cost increased to 60 from 50.
• Bio-Arcane Barrage
  • Mana cost reduced to 0 from 50.

V3.8

• Void Ooze
  • Bug Fix: Fixed a bug where the slow wasn't reduced by Tenacity / Slow Resist.
  • New Effect: Missile now applies a 1 second slow to targets struck, refreshing every .25 seconds.

V1.0.0.152

• Stats
  • Movement speed increased to 330 from 305.

V1.0.0.142

• General
  • Updated tooltips.
• Living Artillery
  • Maximum stack count increased to 10 from 5.
    • Max mana cost increased to 400 from 200.

V1.0.0.140b

• Living Artillery
  • Damage bonus to champions reduced to 125% from 150%.

V1.0.0.139

• Void Ooze
  • Slow reduced to 20 / 28 / 36 / 44 / 52% from 28 / 36 / 44 / 52 / 60%.

V1.0.0.138

• Icathian Surprise
  • Removed: ** Kog'Maw no longer regenerates health while active.

V1.0.0.131

• Dominion
  • Icathian Surprise
    • New Effect: Kog'Maw's respawn timer now starts after exploding.

V1.0.0.130

• Icathian Surprise
  • Bug Fix: Enemies killed by the explosion were being awarded an extra kill.
  • Bug Fix: Brand being awarded an extra kill if triggered as Pyroclasm traveled toward Kog'Maw.
  • Bug Fix: Not triggering if Kog'Maw is killed by Ignite.
  • Bug Fix: Not triggering if Kog'Maw was affected by Silver Bolts.

V1.0.0.129

• Bio-Arcane Barrage
  • Bonus attack range reduced to 130 / 150 / 170 / 190 / 210 from 130 / 160 / 190 / 220 / 250.

V1.0.0.127

• Bio-Arcane Barrage
  • Duration reduced to 8 seconds from 10.

V1.0.0.125

• Icathian Surprise
  • Bug Fix: Now properly displays numbers in its tooltip as it updates with level.

V1.0.0.123

• Living Artillery
  • Updated reveal particle effect.

V1.0.0.121

• General
  • Basic attack animation updated to be more responsive.
• Caustic Spittle
  • Animation updated to be more responsive.
• Bio-Arcane Barrage
  • Animation updated to be more responsive
  • Duration increased to 10 seconds from 6.
  • Cooldown increased to 17 seconds from 15.
• Void Ooze
  • Bug Fix: Now properly flagged as an area-of-effect spell.
• Living Artillery
  • Projectile drop time reduced slightly to improve consistency.

V1.0.0.118b

• General
  • Updated recommended items.
• Caustic Spittle
  • Range increased to 625 from 600.
  • New Effect: Now reduces magic resistance.
• Bio-Arcane Barrage
  • Cooldown decreased to 15 seconds from 17.
• Void Ooze
  • Width increased slightly.
• Living Artillery
  • New Effect: Now also scales with 50% Bonus AD.

V1.0.0.118

• Void Ooze
  • Bug Fix: Fixed a bug that was causing the line missile targeting display to be offset on Kog'Maw's Void Ooze

V1.0.0.115

• Void Ooze
  • Bug Fix: Fixed a bug where Void Ooze were treated as individual units and could break things like mushrooms, block skillshots, etc.

V1.0.0.111

• Bio-Arcane Barrage
  • Bug Fix: Fixed a display bug with Bio-Arcane Barrage attacks on several skins.

V1.0.0.106

• Stats
  • Base movement speed reduced to 305 from 310.

V1.0.0.105

• Bio-Arcane Barrage
  • Bug Fix: Fixed a bug where it was doing more damage than intended.
  • Bug Fix: Fixed a bug where it was dealing physical damage instead of magic damage.

V1.0.0.103

• Icathian Surprise
  • Bug Fix: Fixed several consistency bugs.

V1.0.0.102

• Bio-Arcane Barrage
  • Cooldown increased to 17 seconds from 15.

V1.0.0.101

• Caustic Spittle
  • Bug Fix: Giving multiplicative attack speed instead of the intended base one.

V1.0.0.100

• Living Artillery
  • Self-buff text updated to display correct per-cast added cost (40).

V1.0.0.99

• General
  • Abilities remade and shuffled around.
• Caustic Spittle (Q)
  • Removed Passive: 13 / 16 / 19 / 22 / 26% armor penetration.
  • New Passive: Passively grants 10 / 15 / 20 / 25 / 30% bonus attack speed
  • Removed Active: Doubles passive armor penetration for 4 seconds.
  • New Active: Kog'Maw fires a projectile that reduces the target's armor by 5 / 10 / 15 / 20 / 25 for 4 seconds.
• Bio-Arcane Barrage (W)
  • Cooldown reduced to 15 seconds from 20.
• Void Ooze (E)
  • Cooldown reduced to 12 secods from 13.

V1.0.0.97

• Stats
  • Base attack range increased to 500 from 450.
• Caustic Spittle
  • Range increased to 625 from 600.
• Bio-Arcane Barrage
  • Bonus range reduced to 130 / 160 / 190 / 220 / 250 from 140 / 180 / 220 / 260 / 300.

V1.0.0.96

• Icathian Surprise
  • Bug Fix: Fixed a bug where Chronoshift would not prevent Kog'Maw from dying.

V1.0.0.94

• Icathian Surprise (Innate)
  • Upon dying, Kog'Maw starts a chain reaction in his body which causes him to detonate after 4 seconds; dealing magic damage to surrounding enemies.
• Bio-Arcane Barrage (Q)
  • Kog'Maw's attacks gain range and deal a percent of the target's maximum health as magic damage.
• Void Ooze (W)
  • Kog'Maw launches a peculiar ooze which damages all enemies it passes through and leaves a trail which slows enemies who stand on it.
• Caustic Spittle (E)
  • Passive: Increases armor penetration.
  • Active: Kog'Maw launches a corrosive projectile which deals magic damage and doubles his passive armor penetration for 4 seconds (Removes the passive until available again).
• Living Artillery (Ultimate)
  • Kog'Maw fires a living artillery shell at a great distance dealing damage and revealing targets. Additionally, multiple Living Artilleries in a short period of time cause them to cost additional mana.

See also

League of Legends Wiki | Champions