- You may be looking for the eighth audio set in Big Finish's Gallifrey series.
Gallifrey Eight was one of the Nine Gallifreys created during the War. It contained loomstacks and chronoforges which threw biodata soot into the air, obscuring the sun over the Citadel. Homunculette and the War King visited Gallifrey Eight after the battle at Delphon. (PROSE: The Taking of Planet 5)
The Institution for Mental Deviancy was located on the Eighth Homeworld. The Eighth Homeworld's inhabitants considered the name prejudicial and cruel. (PROSE: Eyes)
Behind the scenes[]
- The description of Gallifrey Eight was later paralleled in Hope with the forgecities of the Imperial Throneworld, which was a part of the Emperor's empire.