Rackmore's Golden Key

Rackmore's Golden Key drops from the following naga in Desolace:
 * Slitherblade Naga
 * Slitherblade Oracle
 * Slitherblade Sorceress
 * Slitherblade Tidehunter
 * Slitherblade Razortail
 * Slitherblade Myrmidon
 * Accursed Slitherblade
 * Slitherblade Sea Witch
 * Slitherblade Warrior

As a quest objective

 * Claim Rackmore's Treasure!