Cell block 2018 represented a section within the Maximum Security Section of the Belsavis prison installation, located on the planet of Belsavis; specifically, it was a prison cell block situated in the Ultraviolent Offenders Containment area. Among those held within cell block 2018 was the Gen'Dai known as Agrular the Mad; during the Galactic War's invasion of Belsavis, Buzz and Squarg, who were underlings of the crime lord Ivory, released Agrular, however, before the trio managed to leave the cell block, they met their deaths at the hands of a smuggler.
Within the video game Star Wars: The Old Republic, cell block 2018 is a restricted zone on Belsavis for specific character classes; it is the setting for the Smuggler class mission entitled "Aggravated Assault".