A Lord of Chaos, Queen of the Swords, Ruler of the five of the Fifteen Planes. Described in Doomed Lord's Passing as a 'slender dark haired woman'. In Red Pearls appeared in the White Fort. Her priestesses journeyed with Elric of Melniboné (character) and Moonglum on the Silela Li.
- The War Hound and the World's Pain as Queen Xiombarg the Twenty-fifth of the Valley of the Golden Cloud where she appears as a girl of about fifteen.
- The Queen of the Swords
- Stormbringer - Doomed Lord's Passing
- The White Wolf's Son
- A Sword Called Stormbringer
- The Green Empress of Melniboné
- Gloriana or The Unfulfill’d Queen
- The Knight of the Swords
- The King of the Swords
- Elric at the End of Time
- The Vanishing Tower
- The Dragon in the Sword
- Red Pearls
- The Transformation of Miss Mavis Ming - Xiombarg's napkin is kept in his Museum by Doctor Volospion
- One Life Furnished with Early Moorcock by Neil Gaiman