This location had a minor role in the Silver Case series. In one of the possible outcomes of the Blackout case, Mokutaro Shiroyabu and Kamui Uehara travelled through a portal to a world where humans riding dinosaurs battled each other in the Colosseum. Recognizing the lawlessness around them, Shiroyabu and Uehara opened fire.
Appearances
- The 25th Ward: The Silver Case (mentioned only)
Nomenclature
- Colosseum (The 25th Ward: The Silver Case)