As of Patch 4. Armor penetration sometimes abbreviated ArP or called armor pen is a value appearing on many talents and abilities that indicates the percentage of armor that will be ignored by an attack. ArP is unique in that the more ArP you have, the greater the increase in damage becomes. Armor penetration is sometimes confused with spell penetration , even though they affect different things. Until recently, this stat has not received much attention from Blizzard, however it was seen in the talent Serrated Blades since patch 1.
World Of Warcraft Armor Penetration Damage Increase Calculator
June 2, This is an informative guide about the different mechanics of the stat Armor Penetration, especially for Fury warriors. The main focus of the guide is raiding, but most of it applies to PvP too. I'm making this guide because there seems to be a lot of confusion about ArP and its mechanics.
The Care and Feeding of Warriors: Armor Penetration
You'll find Matthew Rossi screaming at the moon, caked in his own blood, after plunging into these non-Euclidian mysteries. I've been threatening to write about it for weeks. Thing is, I'm not too sure who I'm threatening, you or me. Armor Penetration has been with us in one form or another for quite a while now. There are abilities like Sunder Armor and Expose Armor that lower armor temporarily, of course, and the rogue talent Serrated Blades.
Armor penetration abbreviated armor pen or ArP is a value indicating the percentage of armor that is ignored by physical attacks. In Patch 4. Percentage-based armor penetration is still present in a few passive and active abilities. Armor penetration is a rating system that affects a percentage of armor ignored. This means that upgrades scale more cleanly with all bosses but has a side effect of becoming less useful on low armor ones.