So w8 how does armour work?

#1_RaveMaster_Posted 1/21/2013 4:10:01 PM
If I have 200 armour and someone has 201 AD, and said person auto's me. He only does 1 health damage to me? Or is there so kind of formula for AD + Armour. This is of course said person has no armour penetration.
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~Rave
#2MegeasPosted 1/21/2013 4:16:18 PM(edited)
http://leagueoflegends.wikia.com/wiki/Armor

Incoming physical damage is multiplied by a factor based on the unit's armor:
Damage multiplier = 100 / (100 + Armor) if Armor >= 0
Damage multiplier = 2 - 100 / (100-Armor) if Armor <= 0
Examples:
25 armor - 0.8 incoming physical damage (20% reduction).
100 armor - 0.5 incoming physical damage (50% reduction).
-25 armor - 1.20 incoming physical damage (20% increase).
#3Gyro822Posted 1/21/2013 4:13:53 PM
Put your mouse over your armor stat and it will show the amount of Physical DMG reduction.

Say is 50%, that means if someone hits you for 100DMG then you only take 50DMG
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#4Reaper_MinionPosted 1/21/2013 4:14:13 PM
It reduces damage by a percentage. Take a look at this:

http://leagueoflegends.wikia.com/wiki/Armor
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#5Ultoman2Posted 1/21/2013 4:16:03 PM(edited)
Every point of armor is 1% more effective hp.

If you have flat 10armor pen, you technically ignore 10% of their effective hp via armor, if you're doing physical damage.

Same with Magic resist.
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#6LinktheMan46Posted 1/21/2013 6:18:15 PM
Simply put, 100 points of armor increases your damage reduction vs physical damage by 50%. So:

100 armor = 50% damage reduction
200 armor = 75% damage reduction
300 armor = 87.5% damage reduction

etc etc. The same is true for Magic Resist.
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