-20
and the order that they apply in doesn't matter since it's all flat. If you had 40% penetration from
Void Staff i believe the percent penetration applies first, not sure though.
and the order that they apply in doesn't matter since it's all flat. If you had 40% penetration from

actually, in wikias, there is an info about that. i must have been blind or sth :D
"Magic penetration and magic resistance reduction are applied in the following order:
Percentage Magic Resistance Reduction
Flat Magic Resistance Reduction
Flat Magic Penetration
Percentage Magic Penetration"
http://leagueoflegends.wikia.com/wiki/Magic_Penetration
so, with this information i can say that the answer of my question is "0". because flat magi reduction makes my opponents mag res 20, and just one of my magic penet. items makes that value 0. no further. that means, my second magic penetration is useless. :(
thanks for responding.
"Magic penetration and magic resistance reduction are applied in the following order:
Percentage Magic Resistance Reduction
Flat Magic Resistance Reduction
Flat Magic Penetration
Percentage Magic Penetration"
http://leagueoflegends.wikia.com/wiki/Magic_Penetration
so, with this information i can say that the answer of my question is "0". because flat magi reduction makes my opponents mag res 20, and just one of my magic penet. items makes that value 0. no further. that means, my second magic penetration is useless. :(
thanks for responding.
NicknameMy wrote:
It is like hasoli said.
"Percentage Magic Resistance Reduction
Flat Magic Resistance Reduction
Flat Magic Penetration
Percentage Magic Penetration"
Right Answer is 0.
Exactly.
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"uh, I identify as counterstrike and I find this globally offensive" - ???
"uh, I identify as counterstrike and I find this globally offensive" - ???
PEBETON is wrong.
Wikia has it correct, the way that hasoli posted it.
Wikia has it correct, the way that hasoli posted it.

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what if i have 40 flat magic penetration ( Haunting Guise + Sorcerer's Shoes ), 20 flat magic reduction ( Abyssal Scepter ) and my opponent has 40 magic resistance. what will his new magic resistance? 0 or -20? which of these is appling first; flat mag penet or flat mag reduc. ?