Gear spirit

Gear spirits, known to some scholars as Mechanus dryads, were Mechanical creatures that tended to the plane's many gears. Contrary to their name, gear spirits were physical creatures made up of metal, typically in the shape of common mechanical devices or tools.

Notable Gear Spirits
The rogue quadrone Nordom wielded a pair of gear spirits that took the shape of crossbows.

Appearances

 * Video Games
 * Planescape: Torment • Idle Champions of the Forgotten Realms