Slaughter City

Slaughter City is a Cybertronian city-state. Prior to the war it was second only to the similar city of Kaon as a low-class industrial work center and site of illegal gladiatorial games between disaffected workers. It lies across the Badlands from Kaon.

Fiction

Exodus: The Official History of the War for Cybertron

Slaughter City was home to twenty illegal gladiatorial arenas and one of the early strongholds of Megatron's supporters before the war, along with Kaon and Blaster City.