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Quote1.png I am an ancient sorceress who has faced and defeated some of the darkest threats ever to have existed. I am Madame Xanadu. Quote2.png
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Madame Xanadu is a powerful sorceress and soothsayer. She was a founding member of the Demon Knights and the Justice League Dark.


Nimue was born half-sister of Arthur Pendragon and as such was a princess of Camelot. Nimue was taught how to wield magic by the great wizard Merlin and while learning fell in love with the wizard's scribe Jason of Norwich. Years past and Camelot came under attack, Arthur being killed in the process. Nimue and several other apprentices were ordered to travel with Arthur's corpse to Avalon (an afterlife).[5] Unable to give up on life Nimue jumped from the ship travelling to Avalon at the last moment and became a nomad. She travelled across the land as an outcast due to her sorcery, she soon discovered that her near death experience had stopped her from aging.[5]

Across her travels she reencountered Jason who had survived due to Merlin trapping the Demon Etrigan inside him. Etrigan began getting jealous of Nimue and Jason's love so to stop his rampage Inwudu decided to become his lover to stop his onslaught and to control him.[5]

Hell on Earth

Xanadu began receiving visions of Etrigan scorching a young child, deciding to investigate the visions Xanadu travelled to Death Valley where the visions were coming from. Upon arrival a nuclear explosion went of wiping out the surrounding area and creating a hellish landscape.[6] After the explosion all the people in Death Valley began transforming into Demons and attacking Xanadu. Eventually Etrigan arrived on the scene with Jason shadowing him and the girl from the visions. After defeating all the demons Etrigan killed the little girl because she annoyed him.[7] Merlin then revealed that he was the little girl in disguise who'd escaped Hell. He told the trio that Belial, Merlin's father, had overthrown Lucifer and became the new King of Hell. He had made Merlin make the nuke so that as the hell-fire spread so did his own power as he seeked to take over Earth. Belial's brother Ruskoff arrived but was quickly defeated by Etrigan.[8]

The group then travelled to the portal to confront Belial, they faced many perils on the way such as giant mutated animals and more demons.[9] Upon arriving at the portal the group was attacked by Belial's other brother Suge. Etrigan was able to beat his uncle as Xanadu and Blood fought off hordes of Demons. Xanadu and Merlin then began closing the portal when Belial came through with an enslaved Lucifer. Lucifer then began fighting Etrigan as Belial completed the ritual, finally taking over the world.[10] Merlin then sacrificed himself to give Etrigan all of his power along with Excalibur. With this he killed Lucifer and began fighting his father while Xanadu fought off the horde. Eventually Etrigan killed his father with the help of Blood crowning the Demon King of Hell. After this everything returned to normal with Jason deciding to travel with Xanadu.[11]



  • Driving: She can drive a motorcycle.[6]
  • Multilingualism: Xanadu can speak Greek.[14]
  • Occultism: Due to being an ancient sorceress Xanadu has a rich understanding of magical lore.
  • Tarot Card Reading: Xanadu frequently uses tarot cards to interpret the visions she foresees.
  • Immortality: Due to her special race, she has lived for hundreds of years and even helped Merlin to maintain youth




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Justice League member
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This character is or was a member of the Justice League of America, or the Justice League in any of its various incarnations, sworn by a duty to act as guardians of America and the world by using their skills and/or superpowers to protect Earth from both interstellar and domestic threats.
This template will categorize articles that include it into the "Justice League of America members" category.