Helm of the Forlorn Protector

Crown of the Forlorn Protector was a tier 11 armor token. Prior to patch 6.0.2, it could be exchanged at in Stormwind City or  in Orgrimmar for the following items:
 * Earthen Faceguard
 * Earthen Helmet
 * Faceguard of the Raging Elements
 * Headpiece of the Raging Elements
 * Helmet of the Raging Elements
 * Lightning-Charged Headguard

Source
This item drops from Nefarian in Blackwing Descent and Al'Akir in the Throne of the Four Winds on normal mode.