Plans: Invulnerable Mail

Plans: Invulnerable Mail is a world drop, mostly noted from Eastern Kingdoms and Kalimdor bosses, but also noted as having been seen in Eastern Kingdoms and Kalimdor raid instances.
==Notes==
Goraluk Anvilcrack had the highest drop rate for these plans at approximately 2%. He was removed in Patch 6.0.2, making this item even more rare.
==Patch changes==
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==External links==
Invulnerable Mail
Category:World of Warcraft world drops