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The Mouth of the Abyss

Physical DamageMagical Damage

General counter information:

Build TenacityDeny FarmDodge AbilitiesHard CCOutsustain

Counter Items & Summoner Spells:

Health Points: 440 (+84 / per level) Health Regen: 5
Mana Points: 295 (+40 / per level) Mana Regen: 30
Damage: 46 (+3 / per level) Attack Speed: 0.665 (+2.65 / per level)
Attack Range: 500 Movement Speed: 305
Armor: 13 (+3.53 / per level) Magic Resistance: 30 (+0 / per level)
Influence Points (IP): 6300 Riot Points (RP): 975

Icathian Surprise


Upon dying, Kog'Maw starts a chain reaction in his body which allows him to move faster for 4 seconds and detonate at the end of the duration, dealing 100 + (25 x level) true damage to surrounding enemies.

Caustic Spittle


Passive: Permanently increases KogMaws attack speed.
Active: KogMaw launches a corrosive projectile at a single target which deals magic damage and reduces its armor and magic resist for 4 seconds.
Cost: 60 mana
Cooldown: 8 seconds
Range: 1000

Attack Speed Bonus: 10/15/20/25/30 %
Magic Damage: 80/130/180/230/280 (+0.5 per ability power)
Armor and Magic Resist Reduction: 20/22/24/26/28%

Bio-Arcane Barrage


Active: For 8 seconds, KogMaws autoattacks gain range and deal additional magic damage which is equal to a percentage of the targets max health. The damage caps at 100 against minions and monsters.
Cost: no cost
Cooldown: 17 seconds

Bonus Range: 130/150/170/190/210
Max Health to Damage Ratio: 2/3/4/5/6% (+0.01% per ability power)

Void Ooze


Active: KogMaw launches a projectile in a line in front of him which deals magic damage to all enemies it passes through and leaves a trail for 4 seconds which slows enemies who stand on it.
Cooldown: 12 seconds
Range: 1,000

Cost: 80/90/100/110/120 mana
Magic Damage: 60/110/160/210/260 (+0.7 per ability power)
Slow: 20/28/36/44/52 %

Living Artillery


Active: KogMaw launches a living artillery shell to a target location at a great distance which falls after a 0.6 second delay, dealing magic damage to all enemies hit and revealing them for 4 seconds. It deals 225% base damage to Champions. Each subsequent Living Artillery in the next 6 seconds after a cast will cost 40 additional mana, capping at 400 per cast.
Cost: 40 mana
Radius of AoE: 200

Cooldown: 2/1.5/1 second(s)
Magic Damage: 80/120/160/(+0.3 per ability power)/ (+0.5 per bonus attack damage)
Magic Damage to Champions: 180/270/360/(+0.3 per ability power)/ (+0.5 per bonus attack damage)
Range to Center of AoE: 1,400/1,700/2,200

Counter Tips

Kog'Maw does not have any escape abilities, making him an easy target. Try to focus him in teamfights first.
Run away from Kog'Maw's corpse as it will explode shortly dealing a lot of true damage.
Try to monitor Kog'Maw's W cooldown as he loses a lot of range when it is down.

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