This article is about Rust Plague. For {{{2}}}, see [[{{{3}}}]].

Cosmic Rust is a microorganism that devours Cybertronian metals.


The Covenant of Primus

Main article: Rust Plague

Transformers: Exodus

Upon arriving on the planet Junkion, Optimus Prime was worried about an infection of Cosmic Rust. However, his fears did not come to pass.

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