Talk:Veteran's Scars (Season 2012 Mastery)/@comment-24.139.115.130-20120531205330/@comment-31.52.226.152-20120608161156

That % armor/spell penetration is calculated based on your current penetration. For example if you have 10 armor penetration from an item, you will get 1 bonus armor penetration from that mastery. So it's not that overpowered :D