More AD/AP or more armor pen/magic pen?

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Lonely Lunatic

Member

07-04-2013

Is getting penetration better than getting more AD/AP?


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MoraIe

Senior Member

07-04-2013

Penetration is great.











But really though, should stack more AD/AP unless you see them stack Armor/MR.

And/or if the scaling is terrible on your champion, more penetration.


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OliverTuddrussel

Senior Member

07-04-2013

If your champion has low AP ratios, then magic pen is better.


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Lonely Lunatic

Member

07-04-2013

What changes if they build armor?


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Coulson

Senior Member

07-04-2013

Each point of armor/MR reduces damage by this formula: Damage multiplier = 100 / (100 + Armor or Magis Resist) (source: LoL wikia).

So for example, 100 armor = 50% less physical damage taken. If you build a Last Whisper, you reduce the enemy's armor by 40% so the 100 armor gets reduced to 60 armor = 37.5% less physical damage taken. That's a 12.5% damage increase. If an enemy's gets more armor and gets 200 armor, that's about 66.7% less physical damage taken. With LW, that armor is reduced to 120, which equals about 45.5% less damage. That's about 21% damage increase.

So as you can see, the more defense mitigation they have, the more valuable defense penetration becomes, more specifically % penetration items. Building straight damage is preferred in most cases, as not everyone on the enemy team will build AR/MR but if the enemy team adapts and builds proper mitigation, time to whip out the LW and Void Staff.


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Lonely Lunatic

Member

07-05-2013

Ok thank you that makes more sense. I sort of thought penetration was kinda useless


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clevelandLoL

Senior Member

07-05-2013

Quote:
Originally Posted by MoraIe View Post
Penetration is great.
pffft wow loved this! sorry nothing to add though :P


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Lonely Lunatic

Member

07-05-2013

And everyone has natural armor/MR right? If they don't then last whisper and void staff might not be as good right?