Mechanism: "Serenity" Class Drone
Independent maintenance unit.

Roving mechanoid assigned to cleaning duties. Unit is unarmed and unarmored. The Serenity drones have not gone rogue. The units are defenseless, have no weapons, and cannot be eaten. These qualities make them useless to the Ing. The small drones are assigned simple maintenance tasks upon creation and perform them without hesitation until reassigned or destroyed.