

Kog’Maw vs Kai’Sa Counter Pick
Matchup Summary
What the Data Means
1,415 games on patch 16.13.1 is a large sample, and it favours Kog’Maw at 55.2%. The 525 base range belonging to Kai’Sa is the larger of the two, but the comparison stops mattering once Bio-Arcane Barrage is available: extra reach, and every hit scaled to the size of the target’s health bar, reverses the advantage for its duration and bites into the 640 health she carries at level one.
Her structure is what prevents the early edge from converting. Second Skin stacks Plasma over several attacks and rewards allied immobilising effects, so the burst needs both time and a partner, and Killer Instinct only dashes near an enemy champion, which means committing into whatever guards the Mouth of the Abyss. Caustic Spittle then corrodes armor and magic resistance on a champion sitting at 25 armor and 96.4 by level 18, the softer of the two profiles. Kog’Maw remains the slower target, 330 against 335, with no escape whatsoever, so the losing pattern is predictable: Supercharge into a fight where Void Ooze has already been spent. Health reads 640 against 635 at level one and 2,374 against 2,318 by 18, close enough that neither wins on durability. Both rate 6 for difficulty, and the deciding skill is not mechanical but budgetary, namely whether Living Artillery is worth the mana at the moment it is fired.
FAQ
Yes — Kog'Maw holds the statistical advantage in this matchup. Kog'Maw wins 55.2% of the recorded games.
55.2% from Kog'Maw's perspective, measured on patch 16.13.1.
1,415 ranked games at Emerald rank and above, across all regions.
The current Kog'Maw build — items, runes and skill order from the same data set — is on the Kog'Maw build page.