The Starlight Citadel's history is unknown but it currently exists in Otherworld and is the home of the Omniversal guardian and current headquarters of the Dimensional Development Court.

• The Tower Omniverse: A tower of infinite doorway portals, one for every plane of existence.^[2]
• Captain Britain Corps Memorial Garden: A garden, dedicated to the fallen of the Captain Britain Corps.^[3]
• Tenebrous Cells: Cells where prisoners of Saturnyne are confined in, while awaiting trial or execution. Magic is used to prevent the prisoners from escaping.^[3]

• Omniversal Majestrix Opal Luna Saturnyne
• Quaddeus Quo
• Ryl
• Temple
• Sinner Rose
• White Priestesses

Former Residents[]

• Merlin
• Lady Roma
• Gloriana (Meggan Puceanu) (Earth-616)
• Mastermind (Earth-616)
• Monarch (Jamie Braddock) (Earth-616)
• Captain Britain Corps