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Icathian Surprise
Icathian Surprise

Upon taking fatal damage, Kog'Maw remains active for 4 seconds, rendering himself unable to use abilities or basic attacks but becoming untargetable and invulnerable, and gaining up to 40% bonus movement speed over the duration. He then explodes, dealing 125 - 550 (based on level) true damage to all nearby enemies.

Ability Details
Icathian Surprise is a point-blank area of effect.

Additional Information:

  • Kog'Maw is cleansed of all debuffs upon triggering Icathian Surprise.
  • Guardian Angel item Guardian Angel and Chronoshift Chronoshift will take precedence over Icathian Surprise.
    • Possible Bug: Dying while affected by Chronoshift Chronoshift allows Kog'Maw to trigger Icathian Suprise immediately and then a second time right after he revives.
  • Children of the Grave Children of the Grave will not resurrect Kog'Maw until after Icathian Surprise ends.


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Caustic Spittle
TARGET RANGE: 1175
COST: 40 Mana
COOLDOWN: 8
Caustic Spittle

Passive: Kog'Maw gains bonus attack speed.

Bonus Attack Speed:
15 / 20 / 25 / 30 / 35%

Active: Kog'Maw launches a corrosive projectile in a target direction, dealing magic damage to the first enemy it hits and reducing their armor and magic resistance for 4 seconds.

Magic Damage:
80 / 130 / 180 / 230 / 280 (+ 50% AP)
Resistances Reduction:
20 / 22 / 24 / 26 / 28%
Ability Details
Caustic Spittle is a linear, collision skillshot with a debuff component.


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Bio-Arcane Barrage
RANGE: 630 / 650 / 670 / 690 / 710
COST: 40 Mana
COOLDOWN: 17
Bio-Arcane Barrage

Active: For the next 8 seconds, Kog'Maw's basic attacks gain increased range and deals bonus magic damage on-hit, capped at 100 against minions and monsters.

Bonus Magic Damage:
3 / 4 / 5 / 6 / 7% (+ 1% per 100 AP) of target's maximum health
Ability Details
Bio-Arcane Barrage is a self-targeted buff.


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Void Ooze
TARGET RANGE: 1280
SPEED: 1350
COST: 80 / 90 / 100 / 110 / 120 Mana
COOLDOWN: 12
Void Ooze

Active: Kog'Maw spews a ball of ooze in the target direction, dealing magic damage and Slow icon slowing enemies for 1 second.

Magic Damage:
60 / 105 / 150 / 195 / 240 (+ 50% AP)

Slow:
20 / 28 / 36 / 44 / 52%

The ooze lingers for 4 seconds, Slow icon slowing all enemies within the area for an additional 0.25 seconds.

Ability Details
Void Ooze is a linear, pass-through skillshot with a linear area of effect component.


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Living Artillery
TARGET RANGE: 1200 / 1500 / 1800
EFFECT RADIUS: 100
COST: 40 - 400 (based on casts) Mana
COOLDOWN: 2 / 1.5 / 1
Living Artillery

Active: Kog'Maw launches a ball of acid into the air that drops after 0.6 seconds at the target location, dealing magic damage, increased by 0% - 50% (based on target's missing health), and Sight icon revealing enemies hit for 2 seconds.

Magic Damage:
100 / 140 / 180 (+ 65% bonus AD) (+ 25% AP)
Increased Magic Damage:
150 / 210 / 270 (+ 97.5% bonus AD) (+ 37.5% AP)
Maximum Magic Damage:
200 / 280 / 360 (+ 130% bonus AD) (+ 50% AP)

Living Artillery's damage is doubled against enemies below 40% maximum health. Each subsequent Living Artillery within the next 8 seconds costs an additional 40 mana, capping at 400 per cast.

Ability Details
Living Artillery is a ground-targeted area of effect.

Additional Information:

  • On cast Living Artillery grants slight Sight icon sight of the target area.
  • Living Artillery will not reveal stealthed champions (can still damage them)


References