Talk:Last Whisper/@comment-208.174.57.186-20121208081437/@comment-68.109.110.108-20130202085038

It would work that way even if they both gave the same type. Armor reduction and penetration stack multiplicitively with each other and themselves. For instance, this item's 35% pen with the mastery's 8% pen is not 43% pen, but 40% pen.