MacroMind matchup data: real ranked games, not opinions

Kog'Maw vs Karthus

How often does Kog'Maw beat Karthus in ADC?

Kog'Maw into Karthus in ADC: 53% observed win rate across 55 ranked games.

Global ranked sample: games from every region and every rank pooled together, not one server's stats. Data runs through patch 26.12; curves updated 2026-08-07.

By 15 minutes the median game has Kog'Maw behind by 124 gold.

Kog'Maw at 15:00

Typical gap to Karthus, from 55 games that reached 15:00.

Does Kog'Maw counter Karthus?

No counter here: Kog'Maw sits at 53% over 55 games. The swing lives in the spots below, so play the side you know better and chase the row that moves the number the most in this lane, then hold that lead through the first back.

Beating Karthus: the Kog'Maw game plan

Someone usually dies here around 3:23 in the median game, and level 6 lands near 7:40. Until your spike is online, respect the all-in.

Kog'Maw's ADC build, with receipts

The most-finished Kog'Maw core is Blade of The Ruined King, Guinsoo's Rageblade, Runaan's Hurricane: 55.8% across 1,775 games when all three got done. All matchups, patches 26.1-26.12.

Most games start Doran's Blade + Health Potion; the first finished item is usually Guinsoo's Rageblade (4,901 games).

Skill plan: Kog'Maw players max W first and take W at level 1.

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