Lumenoids were jellyfish-like creatures that power conduits in the city of Luminopolis. They were seen being eaten by the Light-Eating Z'Grute. The Z'Grute also broke one of the Lumenoid conduits, unleashing them as a threat to the heroes.
Lumenoids were small creatures, and were much like jellyfish, with many tentacles appearing out of their jelly head. When they roared, they released an electric shock, which was their main attack. Outside their conduits, they would crawl their way towards their enemies to attack them.