Cortynivian shadow worm

A Cortynivian shadow worm can get into secure places.

Fiction

IDW Generation 1 comics

While the Expansion was upon them, Fortress Maximus boasted that not even a Cortynivian shadow worm could get into the Garrus-9 penitentiary during its highest security rating. His boast proved to be ill-advised as Nemesis Prime easily broke in to confront Optimus Prime. Spotlight: Doubledealer