The corrupted worm is a creature/animal that is native to Cybertron's depths that became corrupted by Dark Energon and was subsequently used by the Decepticons as a guard dog for the Core. The worm serves as the boss of the Autobot level, To The Core. There are very few weapons that can do good damage to the slug while it his vulnerable. The elite few are: Ironhide's Scatter blaster, EMP Shotgun, and a possible pickup of Null-ray. Note: It is unknown how the creature originally looked, and also how the Decepticons tamed this creature.