Patch 25.21
NerfOct 21, 2025Kog'Maw's passive attack speed has been reduced.
Q - Caustic Spittle
- Passive Attack Speed decreased from 10 / 15 / 20 /25 / 30% to 5 / 10 / 15 / 20 / 25%.
Kog'Maw Patch History
Trending down — 2 of the last 3 changes were nerfs.
Every tracked buff, nerf and adjustment for Kog'Maw, newest first — with the exact numbers from each patch. Latest change in Patch 25.21.
2Buffs
3Nerfs
0Adjustments
Change Timeline
- Patch 25.21 details
Patch 25.17
BuffAug 26, 2025Kog'Maw's Q, W, and R damage increased.
Patch 25.17 detailsQ - Caustic Spittle
- Damage: 80 / 125 / 170 / 215 / 260 (+ 80% AP) ⇒ 80 / 125 / 170 / 215 / 260 (+ 90% AP)
W - Bio-Arcane Barrage
- Damage On-Hit: 3 / 3.75 / 4.5 / 5.25 / 6% (+ 1% per 100 AP) ⇒ 3 / 3.75 / 4.5 / 5.25 / 6% (+ 1.5% per 100 AP)
R - Living Artillery
- Minimum Damage: 100 / 140 / 180 (+75% bonus AD) (+ 35% AP) ⇒ 100 / 140 / 180 (+75% bonus AD) (+ 35% 40 / 45% AP)
Patch 25.04
NerfFeb 19, 2025Kog'Maw's Q damage has been decreased, but AP ratio increased.
Patch 25.04 detailsQ
- Damage decreased, AP ratio increased.
Patch 14.23
NerfNov 19, 2024Q resistances shred adjusted and E damage decreased.
Patch 14.23 detailsQ
- Armor and Magic Resist Shred adjusted.
E
- Damage decreased from 75/120/165/210/255 to 70/110/150/190/230.
Patch 14.5
BuffMar 5, 2024Kog'Maw received several buffs to his abilities.
Patch 14.5 detailsPassive
- Bonus Movement Speed: 0-40% over 4 seconds ⇒ 10-50% over 4 seconds
Q
- Cast Time: 0.25 seconds ⇒ now matches Kog'Maw's auto attack frame time
E
- Slow: 30/35/40/45/50% ⇒ 40/45/50/55/60%
R
- Minimum Damage: 100/140/180 (+65% bonus AD) (+35% AP) ⇒ 100/140/180 (+75% bonus AD) (+35% AP)