Kog'Maw Patch History

Change Timeline

1. Patch 25.21

   NerfOct 21, 2025

   Kog'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%.

   Patch 25.21 details

2. Patch 25.17

   BuffAug 26, 2025

   Kog'Maw's Q, W, and R damage increased.

   Q - 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 25.17 details

3. Patch 25.04

   NerfFeb 19, 2025

   Kog'Maw's Q damage has been decreased, but AP ratio increased.

   Q

   • Damage decreased, AP ratio increased.

   Patch 25.04 details

4. Patch 14.23

   NerfNov 19, 2024

   Q resistances shred adjusted and E damage decreased.

   Q

   • Armor and Magic Resist Shred adjusted.

   E

   • Damage decreased from 75/120/165/210/255 to 70/110/150/190/230.

   Patch 14.23 details

5. Patch 14.5

   BuffMar 5, 2024

   Kog'Maw received several buffs to his abilities.

   Passive

   • 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)

   Patch 14.5 details

Kog'Maw FAQ

Was Kog'Maw buffed or nerfed in Patch 25.21?

Kog'Maw was nerfed in Patch 25.21.

When was Kog'Maw's last change?

Patch 25.21, released 21 October 2025.

How many times has Kog'Maw been changed?

Kog'Maw has changed 5 times in the patches we track, from Patch 14.5 to Patch 25.21 — 2 buffs, 3 nerfs and 0 adjustments.