Combos · ADC

Kog'Maw combos

the Mouth of the Abyss

3 Kog'Maw combos explained key by key: in which order to cast the abilities, when to use them and what each step does. The main combo is Q › W › AA › AA. Further down: every ability's cooldown, cost and range, and the skill max order measured over ranked games.

Kog'Maw combos

Written guide · based on the official ability texts

Harassment

W AA AA AA AA

When: An enemy is within range.

Caustic Spittle corrodes armor and magic resistance and gives you attack speed; Bio-Arcane Barrage increases your range and your damage based on max health.

Area control

When: An enemy approaches.

Void Ooze damages and leaves a trail that slows; Living Artillery fires at long range with greatly increased damage against low-health enemies.

The explosive death

R AA AA

When: You are about to die.

Icathian Surprise makes you explode 4 seconds after your death, dealing true damage to nearby enemies: keep firing.

Common mistakes

Spamming Living Artillery: the mana cost increases.
Being within reach of melee with no defense plan.
Forgetting your increased range with Bio-Arcane Barrage.

Cooldowns, costs and ranges

A combo only comes back once its abilities are off cooldown: these values (rank 1 to max rank, in seconds) tell how long to wait between two combos. Source: Data Dragon 16.19.1.

Ability	Cooldown (s)	Cost	Range
Q · Caustic Spittle	7	40 Mana	1175
W · Bio-Arcane Barrage	17	40 Mana	530
E · Void Ooze	12	40/55/70/85/100 Mana	1200
R · Living Artillery	2/1.5/1	40 Mana	1300/1550/1800

Official ability descriptions

PassiveIcathian Surprise

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

QCaustic Spittle

Kog'Maw launches a corrosive projectile which deals magic damage and corrodes the target's armor and magic resist for a short time. Kog'Maw also gains additional attack speed.

WBio-Arcane Barrage

Kog'Maw's attacks gain range and deal a percent of the target's maximum health as magic damage %i:OnHit% On-Hit.

EVoid Ooze

Kog'Maw launches a peculiar ooze which damages all enemies it passes through and leaves a trail which slows enemies who stand on it.

RLiving Artillery

Kog'Maw fires an artillery shell at a great distance dealing magic damage (increased significantly on low health enemies) and revealing non-stealthed targets. Additionally, multiple Living Artilleries in a short period of time cause them to cost additional Mana.

Skill order

Max order: W > Q > E58.3% · 36 games

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Q		●						●		●		●	●
W	●			●	●		●		●
E			●											●	●
R						●					●

The order shows which abilities reach rank 5 first; the grid shows the most-played level-up sequence with that order (measured over 58 games).

Riot's official tips for playing Kog'Maw

Kog'Maw can outrange most champions with his Bio-Arcane Barrage ability.
Use Void Ooze to set up a perfect Living Artillery.
Make the most out of your Icathian Surprise.

How to play around Kog'Maw's combos

Kog'Maw doesn't have a good escape ability, so he is especially prone to ganks.
Run away from Kog'Maw after he dies!!!!
The range on Living Artillery increases each rank.
Bio-Arcane Barrage allows Kog'Maw to kill Baron Nashor extremely early. It can be valuable to ward Nashor when Kog'Maw completes his Blade of the Ruined King.

Frequently asked questions

What is Kog'Maw's main combo?

Harassment: Q › W › AA › AA. An enemy is within range. Caustic Spittle corrodes armor and magic resistance and gives you attack speed; Bio-Arcane Barrage increases your range and your damage based on max health.

Which ability should I max first on Kog'Maw?

The most-played max order is W > Q > E (36 games, 58.3% win rate).

What is the cooldown of Kog'Maw's ultimate?

Living Artillery has a 2/1.5/1 second cooldown depending on its rank.

Build, runes and counters: full Kog'Maw guide · every champion's combos · tier list