Legion

The Legions were a race of beings who possed a threat because of their misuse of temporal powers.

Technology
The Crystal Bucephalus restaurant used technology similar to that of a TARDIS, which was directed by a Legion Tank.

History
The Time Lords developed a standard sentence of 150,000 years imprisonment for races that misued their temporal powers on the scale that the Legions did. (MA: The Crystal Bucephalus)

In 2157, the Legion aided IMC in taking over Lucifer. (NA: Lucifer Rising)