Sorcerer's Shoes
Rabadon's Deathcap
Void Staff
Liandry's Torment
Rylai's Crystal Scepter
Deathfire Grasp
Boots of Speed + 4 
Health PotionsRunes Magic Penetration marks · Flat Mana Regen seals · Flat Ability Power glyphs · Flat Ability Power quintsLiving Artillery has no cooldown worth the name and a screen-wide range, so a maxed ultimate behind Liandry's is siege damage that cannot be answered.
Show the damage math
| Ability | How it is calculated | Raw | After resists |
|---|---|---|---|
| Q Caustic Spittle rank 5 | 260 base + 0.7 × 572 AP | 660 | 657 after MR |
| W Bio-Arcane Barrage rank 5?review | 223 per empowered basic attack | 223 | 222 after MR |
| E Void Ooze rank 5 | 260 base + 0.7 × 572 AP | 660 | 657 after MR |
| AA Auto-attack | 69.7 per hit × 0.99 attacks/sec | 70 / 143 | 69 dps |
Combo 1,536 + 3.0 s autos 207 = 1,743, 81% of target HP.
Only the QWE rotation is counted.
AP Kog'Maw in League Classic
What is the AP Kog'Maw build in League Classic?
Sorcerer's Shoes, Rabadon's Deathcap, Void Staff, Liandry's Torment, Rylai's Crystal Scepter, Deathfire Grasp. Skill order R > W > Q > E, masteries 21/0/9, summoner spells Flash + Ignite, starting Boots of Speed + Health Potion + Health Potion + Health Potion + Health Potion.
Is AP Kog'Maw better than AD Kog'Maw?
In our Season 3 damage simulator AP Kog'Maw does 1,743 combo-plus-autos damage at level 18 against 1900 HP / 75 armour / 50 MR, which is -13% versus AD Kog'Maw, with 3,995 effective HP (+10%). That is a damage comparison, not a verdict: Once anyone walks at him. Kog'Maw has no escape whatsoever, and the mana cost of Living Artillery stacks until a missed volley empties the bar.
When should I play AP Kog'Maw?
In stalled games around objectives, where free chip damage from outside vision range decides who can contest and who cannot. Living Artillery has no cooldown worth the name and a screen-wide range, so a maxed ultimate behind Liandry's is siege damage that cannot be answered.