Kog'Maw

Arena changes

• Q: Resistances reduction changed to 15 to 25%.
• Q: AP ratio changed to 100% AP.
• W: Base damage changed to 2 to 5% of target's maximum health.
• E: AP ratio changed to 100% AP.
• E: Slow strength changed to 20 to 60%.
• R: AP ratio changed to 55 to 65 3% AP.²

• With Ethereal Weapon and Mystic Punch, use a Dusk & Dawn AP build and level Q as quickly as possible.³
• Deathtouch is a strong Curse augment on Kog’Maw.⁴

• With Ethereal Weapon and Mystic Punch, Kog’Maw’s Q can deal very high damage and refresh its cooldown when it hits an enemy.³
• Reverberation can let Kog’Maw apply W three times with an ability.⁵
• A Dual Wield Kog’Maw can melt a tank in three seconds.⁶
• A Kog’Maw with Reaper’s Toll, Dual Wield, and Double Tap killed a high-health Zac in one shot.⁷
• Kog’Maw’s W does not crit from Jeweled Gauntlet by itself because W is an on-hit effect.⁸⁹¹⁰
• Fan the Hammer triggered and refunded its own cooldown with Terminus.¹¹

• Kog’Maw’s W does not work with Glass Cannon because it deals proc damage.¹²
• Kog’Maw’s W does not work with Rice and X augments, which only work on damage that is not considered proc damage.¹³

Earlier formats

• Patch 14.14 fixed Kog’Maw’s Void Ooze (E) dealing less damage than intended.¹⁵ 8x2 duos
• Since patch 14.12, ongoing fights no longer end prematurely when a zombie Kog’Maw kills the opposing team after their combat has resolved.¹⁶ 8x2 duos
• A Kog’Maw with Marksmage and Master of Duality was ripping through opponents.¹⁷ 8x2 duos
• Kog’Maw’s W with Fan the Hammer and Hexbolt Companion dealt damage alongside Lucian’s damage.¹⁸ 8x2 duos
• Kog’Maw’s W reduced Puppeteer’s cooldown with each attack while W was active.^19202122 8x2 duos
• Kog’Maw could kill an on-hit Lulu before Lulu entered attack range, even with no augments that worked well for him.²³ 8x2 duos
• Kog’Maw’s death animation did not finish before shop phase, causing him to spawn dead and return in a later round.²⁴²⁵²⁶ 8x2 duos