Deathless Sinew

Deathless Sinew drops from and  in Shadowfang Keep during the related quests.

Objective of
It is an objective for all level 20 warrior, druid, paladin, rogue, and hunter class quests:
 * A Fitting Weapon (Horde)
 * A Fitting Weapon (Alliance)
 * The Circle's Future (Horde)
 * The Circle's Future (Alliance)
 * The Adept's Path
 * A True Sunwalker
 * The Hand of the Light
 * Blade of the Shattered Hand (quest)
 * A Royal Reward
 * A Marksman's Weapon
 * A Well-Earned Reward