Laurel Lance, also known as Siren-X, is a meta-human assassin from the New Reich, and the last remaining member of the New Reichsmen.
Chronicles of Zaragoza[]
Chapter 6: The Arrival of Earth X[]
She enters the multiverse under Dark Arrow and Over Girl and manages to incaptiate the resistance fighting against Dark Arrow and his forces, Forcing Luan on to the retreat against them.
Siren X offers to go after Eliza for Over Girl and Elsa, but is turned in down in favor of Chloe
Siren X attacks the heroes several times and nearly incaptivates them multiple times and managing to suceed off screen in dealing with Rjuji and Morgana to allow them to get revenge on Ann for subbing them.
Siren X is sent off to keep scouting off to find more ways to help Dark Arrow with his plan afterwards
Chapter 7: X Marks the Spot[]
Siren X joins Dark Arrow in going after the heroes in getting the Reality Stone. She serves as backup against the heroes using her powers, even giving Eliza, Mark and Eve noticable trouble with her incredible powers.
Siren X then manages to get Dark Arrow to get to the Reality Stone and keeps the heroes from getting to the Reality Stone which is only hindered by Over Girl's own actions.
Chapter 8: Earth X's Last Stand[]
Siren X uses her powers to opress the heroes and to stop Thawne from killing Overgirl when he tells Dark Arrow to let go of her. Siren X is the main villain who gives Eliza and her friends very real trouble and leads the others to getting the power stone.
Siren X then ambushes Cavendish, Dakota and their band during their own encounters under Stormfront, she flees after they manage to kill her. Siren X takes a final stand is then killed by the heroes.