Cosmic Rust

Cosmic Rust can threaten all Transformers, and Megatron is soon very contagious. With it spreading fast among Decepticon ranks, they desperately need a cure and fast. Though hardly given a choice in the matter, Perceptor eventually ascertains exactly what is needed Element X. The Statue of Liberty currently has a supply of the stuff, thanks to an earlier Autobot mission. The Decepticons show their gratitude by using Perceptor to spread the Cosmic Rust to the other Autobots and for there to be no cure left for them to use.