Plans: Invulnerable Mail
Requires Blacksmithing (300)
Requires Armorsmith
Use: Teaches you how to make Invulnerable Mail.
Invulnerable Mail
Binds when equipped
Chest, Mail
605 Armor
Requires Level 59
Equip: When taking damage has a 3% chance to make you invulnerable to spells and to reduce melee damage taken by 25%. Lasts 5 sec and can only occur once every 30 sec.
Equip: Increased Defense +20.
Requires Arcanite Bar (30), Enchanted Thorium Bar (40), Huge Emerald (8), Azerothian Diamond (8), Guardian Stone (5)
Source
No known drop source yet.