Forsaken hunters automatically know how to tame undead creatures. Hunters of other races must learn the skill from a Simple Tome of Bone-Binding which is a rare drop from miscellaneous Elite NPCs throughout Maldraxxus and its associated dungeons: Plaguefall and the Theater of Pain.
Location & Notes:
Located in Gloomshore, Stormheim. Only present when there's a Legion invasion in Stormheim and the invasion quest Crushing the Legion is active.