Solid Adamantite Chest

Source

 * Outland
 * Auchenai Crypts, Hellfire Ramparts, Mana-Tombs, Sethekk Halls, Shadow Labyrinth, The Arcatraz, The Blood Furnace, The Botanica, The Mechanar, The Shattered Halls, The Slave Pens, The Steamvault, and The Underbog


 * Shadow Labyrinth, The Mechanar, and The Shattered Halls