Gnome, Goblin and Mechagnome hunters automatically know how to tame Mechanicals. Hunters of other races must acquire the skill from a Mecha-Bond Imprint Matrix, crafted by Engineers who have at least 1 skill point in Legion Engineering.
Location & Notes:
Located in Citadel of Loyalty, Bastion. Found at limited locations around the Citadel. Two can be found flying by the western edge of the main area and a third can be found sitting on the ground in a plaza further east.