kog'maw build for adc needed plz

Core Items

first

second and third in whichever order depending on your needs (i prefer botrk personally)

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Items which should vary by play style and circumstances

over bloodthirster as it's just way more healing on kog plus the added benefit of more ap

for some tankiness and the slowing effect

if you want the best damage amplifiers for marksmen

to help with cdr and some mana problems

> > if you want more on hits (quite deadly with the active on) and some more spam potential (get tear early game obviously)

to get nice defenses and the revive passive

if against thornmail or threatening cc

another item (excluding trinity force) for the attack speed and more crit.

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On hit damage only scales with attack speed. Auto attack damage scales with ad, crit, and crit damage. It's better to focus on attack speed and have some good mix of on hits early and focus on more ad, attack speed, and crit later.