Sketh'lon Commander's Journal - Page 2

Source
This item drops from:
 * Dark Conclave Hawkeye in Shadowmoon Valley
 * Dark Conclave Ravenguard in Shadowmoon Valley
 * Dark Conclave Shadowmancer in Shadowmoon Valley

Sketh'lon Commander's Journal - Page 2 as a quest objective
This item is an objective for the following quests: