Octopede

The Octopede were small Luminoth-made security drones that patrolled the Sancutary Fortress. They were corrupted by the Ing however.

Octopedes would occupy circular shafts, and would lock together to form a chain link. If one is destroyed, the chain would come loose, the remaining Octopede would roll around and explode.

They resember small metal balls with a single eye.