League of Legends Armor Penetration
Armor Penetration, Armor Reduction & Lethality
Armor Penetration, Armor Reduction and Lethality are the statistics of a Champion which allows them to counter some or all of a target's armor. All champions have 0 base armor penetration but can increase it with items, runes, or abilities for a few champions.
Armor penetration and armor reduction are applied in the following order:
1. Flat armor reduction
2. Percentage armor reduction
3. Percentage armor penetration
4. Lethality
2. Percentage armor reduction
3. Percentage armor penetration
4. Lethality
Lethality grants a flat amount of armor penetration based on the user's level. The amount of flat armor penetration granted by your current lethality stat is calculated using the following formula:
Flat Armor Penetration = Lethality x (0.6 + 0.4 x level / 18)
Abilities:
The armor penetration for
Masteries:
The S4 masteries now include
Hmm... Maybe more stuff is outdated, maybe I will have something to do this weekend after all :D
Also this page is out of date as of Season 3.