Board Thread:Questions and Answers/@comment-3125355-20131216070133/@comment-25085317-20140625083144

NRG is made of energy so the predator could be a cockroack-like alien ( with sharp and long claws to drain his energy. The armour isn't the part of the Prypiatosian-B's  biology but it has slots through which his natural predator should be able to drain his energy.