TFT Set 18.1
Caustic, Kog'Maw's unique TFT Set 18 trait

Caustic

origin

Caustic damage 30% Shreds and Sunders enemies for 4 seconds.

Shred: Reduce Magic Resist
Sunder: Reduce Armor

Champions

  • 3 Kog'Maw Attack Caster 
    Raining Artillery
Adaptor Attack Damage: Launch acid at the target and the other nearest enemy, dealing 165 / 250 / 425 Attack DamageAbility Power physical damage. Enemies below 50% max Health take 231 / 350 / 595 Attack DamageAbility Power physical damage instead.

AdaptorAbility Power: Damages enemies over time.

Caustic enables

  • Shred

    Reduces the target's Magic Resist (commonly by 30%, though the amount varies by source) for a duration, or for the rest of combat with some effects.

  • Sunder

    Reduces the target's Armor for a duration.