Discolored Worg Heart

Discolored Worg Heart is a quest item.

Source
Discolored Worg Heart drops from the following worgs in Silverpine Forest and Tirisfal Glades:
 * Bloodsnout Worg
 * Gorefang
 * Mottled Worg
 * Worg

Alchemy

 * Discolored Healing Potion

As a quest objective

 * Wild Hearts