Rackmore's Golden Key

Source
This item drops from:
 * Slitherblade Naga in Desolace
 * Slitherblade Oracle in Desolace
 * Slitherblade Sorceress in Desolace
 * Slitherblade Tidehunter in Desolace
 * Slitherblade Razortail in Desolace
 * Slitherblade Myrmidon in Desolace
 * Accursed Slitherblade in Desolace
 * Slitherblade Sea Witch in Desolace
 * Slitherblade Warrior in Desolace

Rackmore's Golden Key as a quest objective
This item is an objective of.