Burning Blood

Source
This item drops from:
 * Nightbane Tainted One in Duskwood
 * Nightbane Shadow Weaver in Duskwood
 * Nightbane Dark Runner in Duskwood
 * Nightbane Vile Fang in Duskwood
 * Nightbane Worgen in Duskwood

Burning Blood as a quest objective
This item is an objective of.