By A Mystery Man Writer
Cosmic Rust (コスミックルスト, Kosumikku Rusuto) is a microorganism that devours Cybertronian metals. An infected Transformer starts growing a rust-like substance all over their body. Eventually, the corrosion causes the Transformer to waste away to nothing. During the War, Cosmic Rust (technically called "Cyber-Oxidant") was created by Oil Slick to infect both Autobots and Decepticons alike. Unfortunately for him, when he tried it out at the Hydrax Plateau, he unintentionally infected himself. He was f
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