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Impervium plating.

Impervium was a tremendously resilient alloy frequently used for the armor on capital ships. It was stronger than duranium, another type of protective metal.[1]

During the Clone Wars, General Grievous of the Confederacy of Independent Systems flew a customized Belbullab-22 starfighter nicknamed the Soulless One, which had a hull made of impervium.[2]

Behind the scenes[edit | edit source]

Impervium was first mentioned in the Star Wars Legends article Soldiers of the Empire! in 1978.[3] Its first known canonical appearance was in the mobile-game Star Wars: Galactic Defense after a 2015 update.[1]

Appearances[edit | edit source]

Sources[edit | edit source]

Notes and references[edit | edit source]

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