Kog'Maw Patch History
Every buff and nerf, with the numbers, 3.8 to 26.19
Kog'Maw has been touched in 40 of the 308 patches tracked here, across 80 individual values: 42 moved in their favour, 38 against. Most recent change: patch 26.16.
40Patches touched
80Values changed
42Buffed
38Nerfed
26.16Last change
The abilities Riot keeps touching
StatsBase stats
Health, attack damage, armour, magic resist, movement speed, attack range and their per-level growth.
STATS
Base stats
9 changed3▲ 6▼
PIcathian Surprise
4 seconds after dying, Kogmaw explodes, dealing true damage to surrounding enemies.
P
Icathian Surprise
0 changed0▲ 0▼
QCaustic Spittle
Kog'Maw launches a corrosive projectile which deals magic damage and corrodes the target's armor and magic resist for a short time. Kog'Maw also gains additional attack speed.
Q
Caustic Spittle
19 changed12▲ 7▼
WBio-Arcane Barrage
Kog'Maw's attacks gain range and deal a percent of the target's maximum health as magic damage %i:OnHit% On-Hit.
W
Bio-Arcane Barrage
23 changed13▲ 10▼
EVoid Ooze
Kog'Maw launches a peculiar ooze which damages all enemies it passes through and leaves a trail which slows enemies who stand on it.
E
Void Ooze
10 changed6▲ 4▼
RLiving Artillery
Kog'Maw fires an artillery shell at a great distance dealing magic damage (increased significantly on low health enemies) and revealing non-stealthed targets. Additionally, multiple Living Artilleries in a short period of time cause them to cost additional Mana.
R
Living Artillery
19 changed8▲ 11▼
Every change, newest first
Patch 26.16August 11, 2026 · Read the 26.16 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base MR Class-wide | 30 | → | ▲ 33 10% | ||
| MR per level Class-wide | 1.3 | → | ▼ 1.1 15% |
Patch 25.21nerfOctober 21, 2025
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Attack Speed | 0.1/0.15/0.2/0.25/0.3 | → | ▼ 0.05/0.1/0.15/0.2/0.25 25% |
Patch 25.17buffAugust 26, 2025
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | AP Ratio | 0.8/0.8/0.8/0.8/0.8 | → | ▲ 0.9/0.9/0.9/0.9/0.9 12% | |
| W | AP Ratio | 0.01/0.01/0.01/0.01/0.01 | → | ▲ 0.015/0.015/0.015/0.015/0.015 50% | |
| R | AP Ratio | 0.35/0.35/0.35 | → | ▲ 0.4/0.45/0.45 24% |
Patch 25.4tweak
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | AP Ratio | 0.7/0.7/0.7/0.7/0.7 | → | ▲ 0.8/0.8/0.8/0.8/0.8 14% | |
| Q | Total Damage | 90/140/190/240/290 | → | ▼ 80/125/170/215/260 11% |
Patch 14.23nerfNovember 19, 2024
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Shred Amount | 23/25/27/29/31 | → | ▼ 16/20/24/28/32 11% | |
| E | AP Ratio | 0.7/0.7/0.7/0.7/0.7 | → | ▼ 0.65/0.65/0.65/0.65/0.65 7% | |
| E | Total Damage | 75/120/165/210/255 | → | ▼ 70/110/150/190/230 9% |
Patch 14.5buffMarch 5, 2024
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| E | Slow Amount | 30/35/40/45/50 | → | ▲ 40/45/50/55/60 25% | |
| R | Base Damage Calc Coefficient | 0.65 | → | ▲ 0.75 15% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Effect 2 | 3.5/4.25/5/5.75/6.5 | → | ▼ 3/3.75/4.5/5.25/6 10% |
Patch 13.8buffApril 18, 2023
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Cooldown | 8/8/8/8/8 | → | ▲ 7/7/7/7/7 12% | |
| E | Cost | 60/70/80/90/100/110 | → | ▲ 40/55/70/85/100/110 10% | |
| E | Effect 2 | 20/28/36/44/52 | → | ▲ 30/35/40/45/50 11% |
Patch 12.21November 1, 2022
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| AD per level Class-wide | 3.11 | → | ▼ 3.1 0% |
Patch 12.12buffJune 22, 2022
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Effect 2 | 3/3.8/4.6/5.2/6 | → | ▲ 3.5/4.25/5/5.75/6.5 11% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Effect 2 | 0.15/0.2/0.25/0.3/0.35 | → | ▼ 0.1/0.15/0.2/0.25/0.3 20% | |
| Q | Effect 3 | 25/27/29/31/33 | → | ▼ 23/25/27/29/31 7% | |
| W | Effect 2 | 3/4/5/6/7 | → | ▼ 3/3.8/4.6/5.2/6 10% |
Patch 12.10
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Armor per level Class-wide | 3.25 | → | ▲ 4.45 37% | ||
| Base HP Class-wide | 565 | → | ▲ 635 12% | ||
| HP per level Class-wide | 85 | → | ▲ 99 16% | ||
| MR per level Class-wide | 0.5 | → | ▲ 1.3 160% |
Patch 11.18buffSeptember 8, 2021
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| E | Total Damage Coefficient | 0.5 | → | ▲ 0.7 40% |
Patch 11.9buffApril 27, 2021
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Effect 3 | 20/22/24/26/28 | → | ▲ 25/27/29/31/33 21% | |
| E | Cost | 80/90/100/110/120/130 | → | ▲ 60/70/80/90/100/110 19% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Effect 2 | 3/3.75/4.5/5.25/6 | → | ▲ 3/4/5/6/7 11% |
Show the earlier 48 patches, back to V1.0.0.96
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Armor per level | 3.5 | → | ▼ 3.25 7% | ||
| HP per level | 90 | → | ▼ 85 6% |
Patch 10.12June 10, 2020 · Read the 10.12 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base HP Class-wide | 534 | → | ▲ 565 6% | ||
| HP per level Class-wide | 88 | → | ▲ 90 2% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Effect 1 | 80/130/180/230/280 | → | ▲ 90/140/190/240/290 6% | |
| E | Effect 1 | 60/105/150/195/240 | → | ▲ 75/120/165/210/255 10% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Move speed | 325 | → | ▲ 330 2% | ||
| R | Cast range | 1500/1800/1200 | → | ▲ 1550/1800/1200 1% | |
| R | Effect 2 | 1500/1800/0 | → | ▲ 1550/1800/0 2% |
Patch 8.11May 31, 2018 · Read the 8.11 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| AD per level Class-wide | 2.41 | → | ▲ 3.11 29% | ||
| Base AD Class-wide | 65 | → | ▼ 61 6% | ||
| Base HP Class-wide | 517.76 | → | ▲ 534 3% | ||
| Base armor Class-wide | 29 | → | ▼ 24 17% | ||
| HP per level Class-wide | 82 | → | ▲ 88 7% | ||
| HP regen Class-wide | 1.2 | → | ▼ 0.75 38% |
Patch 8.4buff
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Effect 2 | 3/3.5/4/4.5/5 | → | ▲ 3/3.75/4.5/5.25/6 12% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen Class-wide | 1.1848 | → | ▲ 1.2 1% | ||
| W | Effect 2 | 3/4/5/6/7 | → | ▼ 3/3.5/4/4.5/5 20% |
Patch 8.2January 23, 2018 · Read the 8.2 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen Class-wide | 5.924 | → | ▼ 1.1848 80% |
Patch 7.22
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base AD Class-wide | 57.46 | → | ▲ 65 13% | ||
| Base armor Class-wide | 19.88 | → | ▲ 29 46% |
Patch 7.9May 2, 2017 · Read the 7.9 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| MR per level Class-wide | 0 | → | ▲ 0.5 |
Patch 7.3February 7, 2017 · Read the 7.3 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| HP regen Class-wide | 5.92 | → | ▲ 5.924 0% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Effect 2 | 2/3/4/5/6 | → | ▲ 3/4/5/6/7 25% | |
| E | Effect 1 | 60/110/160/210/260 | → | ▼ 60/105/150/195/240 6% | |
| E | Ratio a1 | 0.7 | → | ▼ 0.5 29% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| R | Cost | 50/50/50 | → | ▲ 40/40/40 20% | |
| R | Effect 1 | 70/110/150 | → | ▲ 100/140/180 27% | |
| R | Effect 3 | 50/50/50 | → | ▼ 40/40/40 20% | |
| R | Effect 4 | 10/10/10 | → | ▼ 8/8/8 20% | |
| R | Effect 5 | 500/500/500 | → | ▼ 400/400/400 20% | |
| R | Effect 7 | 2/2/2 | → | ▼ 1.5/1.5/1.5 25% | |
| R | Effect 8 | 3/3/3 | → | ▼ 2/2/2 33% | |
| R | Effect 9 | 450/450/450 | → | ▼ 360/360/360 20% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Cooldown | 13/11.5/10/8.5/7 | → | ▼ 17/17/17/17/17 70% | |
| W | Effect 1 | 90/120/150/180/210 | → | ▲ 130/150/170/190/210 13% | |
| W | Effect 2 | 2/2/2/2/2 | → | ▲ 2/3/4/5/6 100% | |
| W | Effect 3 | 6/6/6/6/6 | → | ▲ 8/8/8/8/8 33% | |
| W | Effect 5 | 55/55/55/55/55 | → | ▲ 100/100/100/100/100 82% | |
| W | Effect 7 | 60/60/60/60/60 | → | ▲ 100/100/100/100/100 67% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| W | Effect 7 | 10/10/10/10/10 | → | ▲ 60/60/60/60/60 |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Effect 3 | 12/16/20/24/28 | → | ▲ 20/22/24/26/28 20% | |
| W | Effect 6 | 10/15/20/25/30 | → | ▼ 4/8/12/16/20 40% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Cost | 60/60/60/60/60 | → | ▲ 40/40/40/40/40 33% | |
| W | Effect 6 | 100/100/100/100/100 | → | ▼ 10/15/20/25/30 80% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base AD | 54.46 | → | ▲ 57.46 6% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| AD per level Class-wide | 3 | → | ▼ 2.41 20% | ||
| Base AD Class-wide | 49.04 | → | ▲ 54.46 11% | ||
| Base HP | 546.16 | → | ▼ 517.76 5% | ||
| HP per level | 87 | → | ▼ 82 6% | ||
| Q | Cast range | 975/975/975/975/975 | → | ▲ 1175/1175/1175/1175/1175 21% | |
| Q | Effect 2 | 10/15/20/25/30 | → | ▲ 15/20/25/30/35 25% | |
| W | Cooldown | 17/17/17/17/17 | → | ▲ 13/11.5/10/8.5/7 41% | |
| W | Cost | 0/0/0/0/0 | → | ▼ 40/40/40/40/40 | |
| W | Effect 1 | 130/150/170/190/210 | → | ▼ 90/120/150/180/210 12% | |
| W | Effect 2 | 2/3/4/5/6 | → | ▼ 2/2/2/2/2 50% | |
| W | Effect 3 | 8/8/8/8/8 | → | ▼ 6/6/6/6/6 25% | |
| R | Cost | 40/40/40 | → | ▼ 50/50/50 25% | |
| R | Effect 1 | 80/120/160 | → | ▼ 70/110/150 8% | |
| R | Effect 4 | 6/6/6 | → | ▲ 10/10/10 67% | |
| R | Effect 5 | 400/400/400 | → | ▲ 500/500/500 25% | |
| R | Ratio a1 | 0.3 | → | ▼ 0.25 17% |
Patch 4.20November 19, 2014 · Read the 4.20 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base AD Class-wide | 46 | → | ▲ 49.04 7% | ||
| Base HP Class-wide | 400 | → | ▲ 546.16 37% | ||
| Base armor Class-wide | 14 | → | ▲ 19.88 42% | ||
| Base mana Class-wide | 255 | → | ▲ 322.2 26% | ||
| HP regen Class-wide | 5 | → | ▲ 5.92 18% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Move speed | 330 | → | ▼ 325 2% | ||
| R | Effect 3 | 125/125/125 | → | ▼ 100/100/100 20% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base HP | 440 | → | ▼ 400 9% | ||
| HP per level | 84 | → | ▲ 87 4% | ||
| Q | Effect 3 | 20/22/24/26/28 | → | ▼ 12/16/20/24/28 17% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| R | Effect 2 | 1400/1700/2000 | → | ▼ 1200/1500/1800 12% |
Patch 4.5April 6, 2014 · Read the 4.5 notes
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Base armor Class-wide | 10 | → | ▲ 14 40% |
| Ability | What changed | Before | After | Since 3.7 | |
|---|---|---|---|---|---|
| Q | Cast range | 625/625/625/625/625 | → | ▲ 975/975/975/975/975 56% | |
| Q | Effect 1 | 60/110/160/210/260 | → | ▲ 80/130/180/230/280 12% | |
| Q | Effect 3 | 5/10/15/20/25 | → | ▲ 20/22/24/26/28 60% | |
| Q | Ratio a1 | 0.7 | → | ▼ 0.5 29% | |
| W | Cost | 50/50/50/50/50 | → | ▲ 0/0/0/0/0 100% |
Data Dragon’s archive begins at patch 3.8; everything older comes from the community-written League of Legends Wiki (CC BY-SA 3.0). Only the numbers are reproduced here — for the wording of non-numeric changes, follow the link.
V1.0.0.152Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Stats | Movement speed | 305 | → | ▲ 330 |
V1.0.0.142Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Living Artillery | Maximum stack count | 5 | → | ▲ 10 |
| Living Artillery | * Max mana cost | 200 | → | ▲ 400 |
V1.0.0.140bWiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Living Artillery | Damage bonus to champions | 150% | → | ▼ 125% |
V1.0.0.139Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Void Ooze | Slow | 28/36/44/52/60% | → | ▼ 20/28/36/44/52% |
V1.0.0.138Wiki
| Ability | What changed | Before | After |
|---|
Removed · Icathian Surprise
V1.0.0.131Wiki
| Ability | What changed | Before | After |
|---|
New Effect · Dominion
V1.0.0.130Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Icathian Surprise
V1.0.0.129Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Bio-Arcane Barrage | Bonus attack range | 130/160/190/220/250 | → | ▼ 130/150/170/190/210 |
V1.0.0.127Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Bio-Arcane Barrage | Duration | 10 | → | ▼ 8 seconds |
V1.0.0.125Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Icathian Surprise
V1.0.0.121Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Bio-Arcane Barrage | Duration | 6 | → | ▲ 10 seconds |
| Bio-Arcane Barrage | Cooldown | 15 | → | ▲ 17 seconds |
Bug Fix · Void Ooze
V1.0.0.118bWiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Caustic Spittle | Range | 600 | → | ▲ 625 |
| Bio-Arcane Barrage | Cooldown | 17 | → | ▼ 15 seconds |
New Effect · Caustic SpittleNew Effect · Living Artillery
V1.0.0.118Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Void Ooze
V1.0.0.115Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Void Ooze
V1.0.0.111Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Bio-Arcane Barrage
V1.0.0.106Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Stats | Base movement speed | 310 | → | ▼ 305 |
V1.0.0.105Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Bio-Arcane Barrage
V1.0.0.103Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Icathian Surprise
V1.0.0.102Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Bio-Arcane Barrage | Cooldown | 15 | → | ▲ 17 seconds |
V1.0.0.101Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Caustic Spittle
V1.0.0.99Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Bio-Arcane Barrage | Cooldown | 20 | → | ▼ 15 seconds |
| Void Ooze | Cooldown | 13 | → | ▼ 12 seconds |
New Passive · Caustic SpittleNew Active · Caustic Spittle
V1.0.0.97Wiki
| Ability | What changed | Before | After | |
|---|---|---|---|---|
| Stats | Base attack range | 450 | → | ▲ 500 |
| Caustic Spittle | Range | 600 | → | ▲ 625 |
| Bio-Arcane Barrage | Bonus range | 140/180/220/260/300 | → | ▼ 130/160/190/220/250 |
V1.0.0.96Wiki
| Ability | What changed | Before | After |
|---|
Bug Fix · Icathian Surprise