Magic Pen vs. Ability Power

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Domeskie

Senior Member

09-16-2011

I was hoping someone could give me some further explanation on when I'd want magic pen runes over ability power for ap casters? (Talking about magic pen for quints, seals, or glyphs)


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fudgemokey

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Senior Member

09-16-2011

Good ap ratios --> ap runes
Mediocre ap ratios --> magic pen runes


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Anivia Mid GG

Senior Member

09-16-2011

mp red ap/level blues ap quints


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Xanthalis

Senior Member

09-16-2011

The above advice is good, but also keep in mind it's much much easier to buy and build ap than mpen.


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5imple

Senior Member

09-16-2011

Quote:
Originally Posted by fudgemokey View Post
Good ap ratios
Mediocre ap ratios
example?


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wheresmyfreename

Senior Member

09-16-2011

Anivia - both 1:1 ratios on her Q and E

Thus you should take flat AP quints, but still keep your magic pen marks.

Whereas a caster like Brand has poorer ratios and a passive that scales only on magic pen

I usually run 2 flat AP 1 magic pen quint for Brand


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Domeskie

Senior Member

09-16-2011

Quote:
Originally Posted by 5imple View Post
example?
Examples would be great, I saw a guide where they sugested magic pen quints and some glyphs on annie


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Crayon Puppet

Senior Member

09-16-2011

Quote:
Originally Posted by fudgemokey View Post
Good ap ratios --> ap runes
Mediocre ap ratios --> magic pen runes
except magic pen scales better through mid game and end game than ap runes do.

Early - Ap runes
Mid Game - Flat Penetration
Late Game- Percent penetration


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Buk Wild

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Senior Member

09-16-2011

Quote:
Originally Posted by 5imple View Post
example?
Mediocre ratios: Brand, Morde, Orianna, Vlad, Akali, Karma, Katarina

Mediocre-high ratios: Janna, Annie, Kassadin, Heimer, Karthus, Kennen, Lux, Swain (esp with E bonus accounted for), Twisted Fate, Zilean, Leblanc, Gragas

High ratios: Veigar, Sion, Malz, Rumble, Morgana, Anivia, Cassiopeia


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Pikku Nino

Senior Member

09-16-2011

AP is better for someone that uses ally-cast spells, so supports I guess (or not anymore, cause they have bad ratios on heals?)

Heals and shields are the example. They're not affected by MR. Seeing as Alistar can be built as tank, he shouldn't buy many AP items then (abyssal scepter maybe, cause of MR it gives).

I'm not a specialist in that matter though... I mostly use magic penetration for AP casters and the only tank I play is Amumu.


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