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Matchup

KogMaw
Kog'Maw
62%
38%

vs

50.0%
Jax
Jax
50%
50%
Split pushHeavy AD damageSustained DPSDive threat

You are stronger early — look to snowball before your opponent scales.

Build vs Jax

Build adapted to this matchup

Starting items

Doran's Blade
Health Potion

Core build

Blade of The Ruined King
1DPS
Guinsoo's Rageblade
2
Runaan's Hurricane
3DPS

Standard

Berserker's Greaves
4AS
Terminus
5vs Tank

Anti AD

Plated Steelcaps
4vs AD
Jak'Sho, The Protean
5vs Hybride
Guardian Angel
vs AD

Anti AP

Mercury's Treads
4vs CC
Wit's End
5vs AP

Anti Tank

Terminus
5vs Tank

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
KogMawKog'Maw
JaxJax
Neutral
Neutral
Neutral

Jax's abilities

Passive, spells and ultimate

Relentless Assault (P)

Jax's consecutive basic attacks continuously increase his Attack Speed.

Cooldowns

Cooldowns by spell rank

LevelQWER
38s7s17s–
67s7s17s1m50
96s6s17s1m50
116s5s17s1m40
166s3s13s1m30
186s3s9s1m30

Playing against Jax

How to counter and exploit weaknesses

1

Do NOT take extended trades against Jax: his attack speed passive and E make him stronger the longer the fight goes.

2

When his E is active, don't auto-attack him — use abilities instead because he only blocks autos.

3

Punish him when his E is on cooldown (16-8s): it's his main defense.

4

Jax is one of the best split pushers in the game — don't leave him alone in a side lane in the late game.

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