Neal McDonough's Damien Darhk is an Arrowverse character that has transcended his origins.
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He was originally a minor Titans villain the late 1990s.
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The character was the main villain for Arrow Season 4 Arrow, as a supernaturally immortal threat.
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The villain killed Black Canary and bombed thousands before being killed by Green Arrow.
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A younger Damien joined the Legion of Doom in Legends of Tomorrow before being defeated by Sara Lance.
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In his final appearance, Damien betrayed Mallus and heroically sacrificed himself to save the day.
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