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Matchup

Leona
Leona
57%
43%

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

Health Potion
x2

Core build

Locket of the Iron Solari
1HP
Knight's Vow
2vs AD
Kaenic Rookern
3vs AP

Standard

Boots of Swiftness
4vs Slow
Celestial Opposition
5HP

Summoner spells

41471%
3421%

Anti AD

Plated Steelcaps
4vs AD
Thornmail
5vs Hybride
Frozen Heart
vs AD

Anti AP

Mercury's Treads
4vs CC
Bandlepipes
5vs Hybride

Other options

Celestial Opposition
HP
Solstice Sleigh
HP
Protoplasm Harness
Survival
100.0% WR1 games
ResolveResolve
AftershockAftershock
Font of LifeFont of Life
Second WindSecond Wind
OvergrowthOvergrowth
PrecisionPrecision
Legend: HasteLegend: Haste
TriumphTriumph
Ability HasteHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
LeonaLeona
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