SuperWoW

Badge of the Swarmguard
Item Level 76
Binds when picked up
Requires Level 60
Classes: Warrior, Paladin, Hunter, Rogue, Priest, Death knight, Shaman, Mage, Warlock, Monk, Druid, Demon Hunter, Evoker
Use: Gives a chance on melee or ranged attack to apply an armor penetration effect on you for 30 sec, increasing your armor penetration rating by 28. The armor penetration effect can be applied up to 6 times.