- "One hour ago, we received a tip that the separatists were meeting with the leaders of violent splinter groups from across the Republic. The Nightmare of Duros ring a bell?"
- ―SIS Agent Burne
The Nightmare of Duros was a radical splinter group active during the Cold War between the Galactic Republic and the Sith Empire, and the Republic Strategic Information Service gained intel that the group's leaders would be meeting with the leaders of the Mantellian Separatist Movement.
- Star Wars: The Old Republic (First mentioned)