Electromagnetic plasma cannonCanonLegendsInfinities Sources Star Wars Helmet Collection 39AppearancesStar Wars: The Clone Wars — "Darkness on Umbara" (First appearance) (Unknown)Unknown UnknownNoneStar Wars: The Clone Wars — "The General" (Unknown)Unknown UnknownNoneStar Wars: The Clone Wars — "Plan of Dissent" (In flashback(s)) (Unknown)Unknown UnknownNone"The Shadow of Umbara" — The Clone Wars: Stories of Light and Dark (Unknown)Unknown UnknownNone"The Shadow of Umbara" — The Clone Wars: Stories of Light and Dark audiobook (Unknown)Unknown UnknownNoneAftermath: Empire's End (Mentioned only) (Unknown)Unknown UnknownNoneAftermath: Empire's End audiobook (Mentioned only) (Unknown)Unknown UnknownNone