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Matchup

TahmKench
Tahm Kench
33%
67%

vs

50.0%
Kog'Maw
KogMaw
62%
38%
Sustained DPSHeavy AD damageHeavy AP damage

Build vs Kog'Maw

Build adapted to this matchup

Starting items

Doran's Shield
Health Potion

Core build

Dark Seal
1
Spirit Visage
2vs AP
Dusk and Dawn
3Mage tank

Standard

Boots of Swiftness
4vs Slow
Heartsteel
5Survival

Summoner spells

41225%
41425%

Anti AD

Plated Steelcaps
4vs AD
Thornmail
5vs Hybride
Randuin's Omen
vs AD

Anti AP

Mercury's Treads
4vs CC
Hollow Radiance
5vs AP

DPS

Riftmaker
Mage tank

Other options

Heartsteel
Survival
Protoplasm Harness
Survival
Warmog's Armor
Survival
Jak'Sho, The Protean
vs Hybride
100.0% WR1 games
ResolveResolve
Grasp of the UndyingGrasp of the Undying
Shield BashShield Bash
Second WindSecond Wind
UnflinchingUnflinching
PrecisionPrecision
Legend: AlacrityLegend: Alacrity
TriumphTriumph
Attack SpeedHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
TahmKenchTahm Kench
KogMawKog'Maw
Favorable
Favorable
Passive

Kog'Maw's abilities

Passive, spells and ultimate

Icathian Surprise (P)

4 seconds after dying, Kogmaw explodes, dealing true damage to surrounding enemies.

Cooldowns

Cooldowns by spell rank

LevelQWER
37s17s12s–
67s17s12s2s
97s17s12s2s
117s17s12s1.5s
167s17s12s1s
187s17s12s1s

Playing against Kog'Maw

How to counter and exploit weaknesses

1

Kog'Maw has ZERO mobility — dive him with assassins or engages. One CC = one kill.

2

His W has an uptime/downtime: when W expires, his range returns to normal (500). Engage at that moment.

3

Assassins (Zed, Talon, Fizz) destroy him — he relies entirely on his team to protect him.

4

Buy HP and MR: his W deals magic damage as % max HP, but MR still reduces it.

Source: op.gg + LTL Engine · Patch 16.9.1 · May 9, 2026