Dual Wield
PrismaticGain 20% total Attack Speed.
Bio-Arcane Barrage (W) adds max Health magic damage to every attack, so extra Attack Speed on top of Caustic Spittle's (Q) passive means more max Health hits per second.

Kog'Maw, the Mouth of the Abyss, is a ranged marksman and mage champion. In fights Kog'Maw is a fragile champion who deals mixed physical and magic damage through sustained attacks. Here are the augments Kog'Maw players take most, the Prismatic items worth grabbing and the core build on patch 26.20.
Gain 20% total Attack Speed.
Bio-Arcane Barrage (W) adds max Health magic damage to every attack, so extra Attack Speed on top of Caustic Spittle's (Q) passive means more max Health hits per second.
Gain 20% total Attack Speed.
Bio-Arcane Barrage (W) turns each attack into a max Health damage hit, so 20% more Attack Speed directly speeds up how fast you shred tanks and frontliners.
In game, Hexgate puts a badge under every augment card you are offered, with how often Kog'Maw players take it.
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Based on 17,811 Kog'Maw games in Arena on patch 26.20. Augments and items are ordered by how often Kog'Maw players take them; the bars compare each one with the most taken.
Augment offers come in Silver, Gold and Prismatic. These are the cards Kog'Maw players take most at each rarity, most taken first.
The Prismatic items Kog'Maw players pick most often from the offer, most picked first.
Boots to start, then the items Kog'Maw players build most often in Arena, most built first. Adapt the order to the lobby: every other team is an opponent.
Berserker's Greaves
Sorcerer's Shoes
Guinsoo's Rageblade
Blade of The Ruined King
Terminus
Nashor's Tooth
Runaan's Hurricane
Kraken SlayerThe order Kog'Maw players level their abilities in most often: max Bio-Arcane Barrage (W) first, then Caustic Spittle (Q), and take Living Artillery (R) whenever you can.
| Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Q | Q | Q | Q | Q | Q | ||||||||||
| W | W | W | W | W | W | ||||||||||
| E | E | E | E | ||||||||||||
| R | R | R |
On patch 26.20 Kog'Maw players take Dual Wield, Lightning Strikes and Twice Thrice most often.
The Prismatic items Kog'Maw players pick most are Reaper's Toll, Diamond-Tipped Spear and Darksteel Talons.
Start with Berserker's Greaves, then the items Kog'Maw players build most: Guinsoo's Rageblade, Blade of The Ruined King and Terminus. Adapt the rest to the lobby.
Max Bio-Arcane Barrage (W) first, then Caustic Spittle (Q), and level Living Artillery (R) whenever you can.
On patch 26.20 Kog'Maw is A tier in the Arena tier list: strong, reliable picks.
Arena tier list for all champions · Kog'Maw in ARAM Mayhem
Champion names, art, items and abilities: Riot Games Data Dragon. Augment names, art and text: the game files. Hexgate is not endorsed by Riot Games.