 She's freed from her imprisonment by Vandal Savage, whom she repays by joining the criminal team he had formed named Tartarus.As a member of Tartarus, Siren was degraded to a sidekick of Vandal Savage and had little significance on the story she appeared in.She was a henchman in Vandal Savage's plan to attack the H.I.V.E., led by Adeline Wilson, Deathstroke's wife, on a floating island above the fictional country of Zandia.